Functional Analysis Methods for Reliability Models

Learn all about the fascinating world of insects--from bees, to butterflies, beetles, and more. Grab your magnifying glass and head out to discover all about insects-- their different types, body structures, and behaviors. Filled with eye-catching images and bite-sized information, every young nature enthusiast will marvel at the mind-boggling facts about these adaptable creatures. The book covers the seven major insect groups and includes profiles for more than 40 amazing insects, such as the stag beetle, monarch butterfly, and honeybee. Dive into their brilliant world and learn how some insects blend in with their surroundings. Discover how some can survive in different environments, while others can defend themselves against predators using clever tactics. Explore the many ways in which insects help humans, and the crucial role they play in pollination and maintaining a balance in the ecosystem. My Book of Bugs is a wonderful introduction to insects and their many incredible feature

Elmo wants to share a special message with his friends. Help him find them one by one, including your little one’s favourite characters: Big Bird, Abby Cadabby, Cookie Monster, and Oscar the Grouch.Little hands can lift big flaps and see five peekaboo surprises pop up from the pages while they enhance their social-emotional learning and explore themes of friendship and unconditional love.The lively, read-aloud rhymes encourage literacy and early learning, while the surprise pop-up scenes will delight curious preschoolers. With the help of parents and caregivers, children will have fun turning the sturdy board book pages, guessing what’s hiding under each flap, and then lifting the flaps to play peekaboo as they reveal Elmo and his friends.Ideal for interactive preschool play, Pop-up Peekaboo! Sesame Street Elmo Loves You will appeal to both parents and children, and is certain to keep little ones entertained time and time again.© 2024 Sesame Workshop.

Go on an amazing journey of discovery with the Very Hungry Caterpillar and learn fascinating facts about animals. Take a tour of the animal kingdom and discover everything you need to know about creatures from elephants to ants in this colorful and charming first animal reference book. Different chapters focus on different animal types, with a new critter every time you turn the page. Bite-size chunks of information are complemented by captivating illustrations by the World of Eric Carle, eye-catching photography, and simple how-it-works diagrams, while pull-out images and facts provide extra nuggets of interest. Young learners can find out all about koalas, armadillos, eagles, penguins, turtles, frogs, sharks, and butterflies and many, many more in this one-of-a-kind introduction to nature. For lovers of The Very Hungry Caterpillar and all bright young minds, this is the ultimate must-have animal encyclopedia.

Get your paints and canvases ready for a fun-filled journey through art! Explore how artists get ideas and bring them to life, how art can affect the way we think and feel, and why people throughout history loved it so much. Why is art important? What's so great about it? In this illustrated book, you'll see the world through famous artists' eyes, and what inspired them to make art. And you'll use their techniques to produce your own masterpieces. Did you know that early humans spent a great deal of time on their cave paintings? Before cameras and smartphones were invented, people had paintings and drawings made of them to keep a record of what they looked like. Many artists, such as Vincent Van Gogh and Frida Kahlo, used art as a language to express their feelings, thoughts, and emotions in ways that words couldn't. Explore techniques you can use to create art, and you don't have to be good at drawing and painting to do it. If you want to learn why art has the power to be beautiful, s

Help your child power up their reading skills and learn all about the world's fastest animals with this fun-filled nonfiction reader carefully leveled to help children progress.DK Super Readers Pre-Level: Fast Animals will introduce kids to a parade of speedy animals--from the sprinting cheetah to a shrimp making a speedy catch of its dinner--and is a motivating introduction to using essential nonfiction reading skills, proving ideal for children ready to enter the riveting world of reading. DK Super Readers take children on a journey through the wonderful world of nonfiction: traveling back to the time of dinosaurs, learning more about animals, exploring natural wonders and more, all while developing vital nonfiction reading skills and progressing from first words to reading confidently. The DK Super Readers series can help your child practice reading by: - Covering engaging, motivating, curriculum-aligned topics.- Building knowledge while progressing key Grades Pre-K and K reading sk

A fun pop-up and flaps board book to introduce curious little ones to favorite forest animalsSearch through the forest and find the enchanting animals in this exciting lift-the-flap pop-up book for little ones.Look up in the trees, down to the forest floor, and behind the leafy shrubs and bushes, and discover the animals hiding in the forest. Babies and toddlers will love lifting the big flaps to find five peekaboo surprises popping up from the pages: a noisy woodpecker tapping on an oak tree; an adorable fawn staying safe in the undergrowth; a pillbug, earthworm, stag beetle, and spider beneath the leaves on the forest floor; three fox cubs snuggling in their underground den; and a beady-eyed owl resting in a pine tree. Simple information about habitats and animal life are carefully woven throughout the book, making it an engaging and easy introduction to the topic of forest animals and their homes. The lively, read-aloud rhymes encourage literacy and early learning, while the beautif

Watch out for some wild weather! Make reading your superpower with DK's beautiful, leveled nonfiction. Use your reading superpowers to learn all about volcanoes from where they start to what happens when they erupt, famous eruptions, how we can learn about them and even make a model of one - a high-quality, fun, non-fiction reader - carefully levelled to help children progress. Eruption! The Story of Volcanoes is a beautifully designed reader all about these dramatic natural features of our world. The engaging text has been carefully levelled using Lexile so that children are set up to succeed. A motivating introduction to using essential non-fiction reading skills. Children will love to find out how volcanoes are formed; the damage - and the good - they do; where the best places are to see an eruption; and how to build their own model volcano.

This book is full of stories highlighting how philosophy over the ages has impacted the way we think and behave today. Travel down the road of wisdom to discover how philosophers have puzzled over the meaning of life, the human experience, and existence itself. Why is philosophy important? What's so great about it? Take a leap into the world of philosophy and have all your questions answered while discovering the unexpectedly interesting history of philosophy and its many schools of thought. Philosophical ideas affect our day-to-day lives in ways that you might not expect. But understanding these ideas can be daunting--even for adults! If you want to learn how to improve your thinking, make Aristotelian friends, visit Plato in his famous cave, or discuss women's rights with Mary Wollstonecraft, What's the Point of Philosophy? is the place to start. By telling interesting stories to unpack complex theories, What's the Point of Philosophy? allows you to connect with philosophers of the p

About Queen ElizabethAn official Platinum Jubilee souvenir that explores the incredible life and legacy of Queen Elizabeth and how her historic reign has shaped the world.In honour of Queen Elizabeth's Platinum Jubilee 2022, this once in a lifetime history book for kids tells the story of a young princess who grew up to become our longest reigning monarch, and celebrates the achievements, people and places that have become part of her remarkable legacy.There is a treasure box hidden away in Great Granny Joyce's home, bursting with all kinds of things... A photo of a young woman wearing a crown, a map of the world, newspaper clippings, and so much more that reveal the great wonders of the last 70 years. There is so much to look at that little Isabella doesn't even know where to begin! Did you know that Princess Elizabeth was only 27 when she became Queen? Or that she made an appearance at the opening ceremony of the 2010 London Olympics alongside James Bond? And that the most astonishin

How scientists changed the world, one breakthrough at a time. From the discovery of fire and the invention of the wheel to lunar landings and atoms, this book tells the extraordinary story of science and how it changed our world--one breakthrough at a time. Find out how history's most ingenious and daring scientists solved mysteries that had puzzled the ancient world for millennia, triggering an age of discovery that gave us telescopes, flying machines, steam engines, antibiotics, electricity, radio, space travel, and computers. Discover the amazing men and women who challenged conventional thinking and put their lives at risk to learn about everything from planetary orbits and gold to germs, gunpowder and radioactivity. What's the Point of Science? explains in super-simple terms how science really works and why it brought the world out of the dark ages. It's packed with surprising facts, tales of ingenuity and endeavor, and beautiful hand-drawn illustrations that bring the human story

A fun fact book that answers more than 50 burning questions for young Marvel fans!Discover everything you've always wanted to know about your favorite Super Heroes!How much weight can the Hulk lift? What's the farthest distance Spider-Man can sling a web? Can Iron Man fly faster than a space rocket? Young Marvel Super Hero fans want to know everything about their favorite characters from how hard Thor can slam his hammer to the size of the smallest hole Wasp can fly through―and much more.Whether they are obsessed with Marvel comic books or they've only heard about Super Heroes in the playground, young fans will love discovering the fascinating answers to wild, wacky, and wonderful questions about Marvel Super Heroes.

Discover the world's most incredible things that go with specially commissioned LEGO® models. Children will love learning about their favourite modes of transport, including airplanes, trains, boats,

Fourteen incredible 3D printing projects for kids to design and print their own toys, gadgets, models, and ornaments without the need for a 3D printer at home. Using freely available online 3D modelli

A self-study English grammar guide using innovative visual learning methods to make even the trickiest points easy to understand, for the approximately 1 million adults in the United States learning English as a second language.Suitable for English-language learners of all levels, from beginner to advanced, and even experienced English speakers looking for a reminder of key language points,English for Everyone: Grammar Guide is an intuitive way to study English grammar. Clear illustrations put learning points in context and make them easy to remember, and simple graphics and annotated sample sentences break down grammar constructions, making even difficult points easy to follow.English for Everyone: Grammar Guide covers the skills and topics needed for the major global English-language exams, including TOEFL, and is the perfect companion to the English for Everyone course and practice books.Series Overview: English for Everyone series teaches all levels of English, from beginner to adv

How did they make that using LEGO® bricks?Find out! Meet the professional builders behind some amazing LEGO® models and learn all about how these creative experts make masterpieces using LEGO bricks.

With striking images, models, and illustrations, this visually-led reference guide offers a unique view of catastrophic weather conditions.See inside the eye of a cyclone, witness hailstones the size

A frightfully fun LEGO (R) sticker book with more than 1000 Halloween-themed stickers. Step into the spine-chilling world of LEGO models that go bump in the night. DK's Halloween! Ultimate Sticker Co

A frightfully fun LEGO® sticker book with more than 1000 Halloween-themed stickers.Step into the spine-chilling world of LEGO models that go bump in the night. DK’s Spooky! Ultimate Sticker Collection

Bring the world of Harry Potter to life at home with more than 50 brilliant building ideas! Conjure your own magical world with more than 50 ideas to inspire your own LEGO (R) Harry Potter (TM) models

Discover the planet's amazing animals with unique LEGO® models and maps. Which animal gobbles up 4,000 clams in one meal? Where can you find a snail as big as a baseball? The LEGO Animal Atlas has the

A jargon-free, highly visual guide to every aspect of politics, from political philosophy to 21st-century activism.Discover everything you need to know about political history and thought, and the inner workings of governments around the world with this unique graphic guide.Combining clear, jargon-free language and bold, eye-catching graphics, How Politics Works is a comprehensive and user-friendly guide to all aspects of politics. Covering everything from political theory to methods of government, the book presents the ideas and theories of key political philosophers, leaders, movements, and activists in a uniquely visual and easy-to-understand way. Explaining political ideas on a conceptual level, entries explore how they apply to governments, movements, and trends throughout history, along with 21st-century examples such as the Feminist movement and #BlackLivesMatter. The book also shows how political history is affected by economics, sociology, and the role of the media―an ever-rel

About The Aircraft BookTake an action-packed flight through the history of aircraft and the intrepid pioneers who made a dream become reality.Uncover the engineering behind more than 800 aircraft models, from military jets to commercial planes. This visual history book captures the fascinating story of aeroplanes and aviation, and how this groundbreaking discovery has influenced the 21st Century.Inside the pages of this aircraft book, you'll discover:- The history of military and commercial aircraft from all over the world, decade by decade, to the present day in stunning visual detail- Comprehensive catalogues highlighting the most important aircraft of each period along with their specifications and unique features- Showcases particularly celebrated aircraft - such as the Supermarine Spitfire and Concorde - in beautifully photographed "virtual tour" features- Tells the stories of the engineers and manufacturers that created marques like Boeing and AirbusModern flight has opened the w

Discover how to identify flowers, where to find them, and other details about more than 100 flowers from around the world. Compact in size yet brimming with information, An Anthology of Flowers explores a vast variety of blooms, from exotic blossoms to iconic favorites. Learn to easily identify different species using detailed annotations, vivid illustrations, and unique descriptions of each flower. Featuring colorful photographs and vibrant illustrations, this book is a treasure trove for budding botanists, nature enthusiasts, and curious readers seeking an informative flower identification book. Whether you're out exploring or flipping through its pages at home, An Anthology of Flowers is sure to bring the natural world to life.

A beautiful field guide to the stars featuring notes, spectacular photos, and colourful illustrations of all 88 constellations. A compact version of DK’s bestselling anthology series, An Anthology of Stargazing is perfect for young astronomers and stargazers ages 7-9 to take on the go and uncover the secrets of the stars. An Anthology of Stargazing will be your child’s guide through the stars, teaching all about the intricate star patterns, the brightest stars, fascinating asterisms, and the legends woven through the night sky, from both the Northern and Southern Hemispheres.This stunning book about stars and constellations for kids offers:The next book in the new compact spin-off of the bestselling Children’s Anthologies series. A magnificent collection of all 88 constellations recognised by the International Astronomical Union, and asterisms. A quality gift book, with metallic foil and striking imagery on every page.An Anthology of Stargazing features mesmerising images, beautiful il

Join these unlikely partners as they learn how to work together on another adventure to save the day and their city. Part of a new series of official Disney graphic novels!Journey beyond the movies as the charming cast of Zootropolis 2 take on new adventures, which see ZPD officers Hopps and Wilde team up on their mission to make the world a better place! Whatever they are dealing with, Judy and Nick realise that not every case is the biggest, but they are all important. A bold and colourful adventure book for kids aged 5-9:Perfect for early readers, The New Adventures of Disney Zootropolis 2 invites kids to embrace the joy of reading in an engaging graphic novel formatBeautiful illustrations and an engaging story make the entry into reading accessible and funPart of a new series of graphic novels featuring popular Disney characters – don’t miss the rest of the series!Embark on New Adventures with more beloved Disney characters:The New Adventures of Disney Zootropolis 2The New Adventur

DK’s best-selling illustrated encyclopedia series takes you back to the Mesozoic Era, when fearsome dinosaurs roamed the land, sea, and skies. Discover dinosaurs as you've never seen them before through jaw-dropping 3D illustrations in this dinosaur encyclopedia for kids ages 9+. Did you know that Velociraptor had three large "killer claws" on each foot to hunt down prey? Or that the long-necked Diplodocus was as long as three school buses? Can you imagine what a strange life it would be for Saltasaurus with no toes on its front feet? Would you believe that Carcharocles megalodon was an ocean monster with a fearsome bite at least six times stronger than today's great white shark?Knowledge Encyclopedia’s clear explanations, illustrations, photographs, and 3D images will engage children in complex subjects.Find yourself transported to the age of dinosaurs and then the Ice Age with this perfect gift for anyone who loves dinosaurs and prehistoric creatures. This all-encompassing dinosaur e

Unlock the secrets behind everyday items and extraordinary inventions with exploded artworks and photographs that reveal the materials used to create everyday objects. Finding out What's It Made Of? is just the start of an amazing journey into the world of materials science, in this non-fiction book for science enthusiasts aged 9-12. Learn about the surprising properties of materials and how they are put to thousands of different uses, from sneakers to smartphones and game controllers to glue.This fascinating book reveals the secrets of many everyday objects, and a few more unusual ones. This science book for curious children offers: A breakdown of everyday and futuristic objects, revealing what goes into a range of common and cutting-edge items - from game controllers to space suits!Hyperrealistic artworks and vivid photos show each component and object up close and in incredible detail. STEM learning that supports classroom material science by showing how the properties of different

This glorious guided tour of cartographic history features more than 300 of the most famous and important maps of all time. Immerse yourself in ancient Chinese star charts, decipher medieval Mappae Mundi, and marvel at intricate surveys of the ocean floor and the lunar surface. Discover how Polynesian navigators used sticks to chart their way across the Pacific, what a rhumb line is, and where dragons were once said to lurk.Organized chronologically, the book includes the most celebrated examples of maps spanning more than 5,000 years, explaining everything from scales and compasses to meteorological symbols, and exploring techniques from engraving and printing to cartographic projection. Entries also place the maps in their wider cultural and historical context, providing a complete overview of the subject. Combining stunning reproductions with precise annotation, visual analysis, and pull-out details, Maps, Annotated brings an expertly curated selection of the world’s most celebrated

An interactive board book with hidden reindeer and winter animal surprises along with way! Tactile elements and delightful imagery will encourage the development of motor skills and early learning. Babies and toddlers will love lifting the big flaps to find five peekaboo surprises pop up from the pages, including Parker Polar Bear and Percy Penguin, making this board book a fun and easy story about winter animals. Pop-up Peekaboo! Reindeer provides lots of opportunities for parent-and-child interaction and hours of wintry fun.Journey through the snow and watch as a Rosie Reindeer finds each of her friends, wraps up warm and puts on her favourite boots. This winter pop-up book for 3-5 year olds includes:Hands-on play elements that build all-round learning skills. 5 flaps throughout the book to lift and find the pop-ups, helping to develop fine motor skills.Rhythmic, read-aloud text that aids language development. Rounded edges and chunky board book pages rigorously tested (and chewed) b

A bumper book for little learners that’s bursting with facts about the animal kingdomThis exciting introduction to animals is brimming with facts about the diverse wildlife that inhabits our extraordinary planet.From peacocks and frogs to sharks and dogs, this book is a perfect companion for young, curious minds that are eager to learn all about different animals and where they live.Delve into the world of these majestic creatures and learn about their diets, habits, and our own connection to the animal kingdom. Through this engaging visual guide, children will not only gain knowledge about the animals that coexist with us on Earth, but also understand the importance of protecting the rich biodiversity that surrounds us.Filled with fun facts and colourful illustrations, My Encyclopedia of Very Important Animals will feed your imagination and quench your thirst for knowledge.

DK’s best-selling illustrated encyclopedia series explores the fantastical world of myths and legends. Discover stories from myth and legend as you've never seen them before through incredibly detailed 3D illustrations in this encyclopedia for children aged 9+. Knowledge Encyclopedia’s clear explanations, illustrations, photographs and 3D images will engage children in complex subjects.Find yourself transported to a realm of myth and legend with this perfect gift for anyone who loves stories of gods, monsters and heroes. This all-encompassing myth encyclopedia for kids offers:An impressive collection of facts, charts, timelines and illustrations. A visual approach using illustrations, photographs and extremely detailed 3D CGI images.Clear explanations and retellings of different myths and legends from around the world. Children can explore mythology in a new and exciting way through spectacular computer-generated images of key heroes, gods, monsters and locations. This new book in the

Celebrate the festive season with Pok幦on. Packed with cool facts and awesome activities--it's the perfect present for the ho-ho-holidays! Discover the Pok幦on who love a sparkly surprise, can rustle up a feast, or will make you shiver with their icy skills. Have fun spotting Squirtle in a snowball fight, or Pikachu in a cute woolly hat. Plus, you can test your Pok幦on skills with cool quizzes, puzzles, and games. Pok幦on Happy Holidays has everything you need to make the winter season even more merry!

Find Rosie Reindeer and her cuddly friends hiding behind flaps and popping up from the pages in this delightful book for little ones. Rosie Reindeer wants to go outside to play in the snow. But who can she find to join her and where is her sledge? Babies and toddlers will love lifting the big flaps to play peekaboo with Parker Polar Bear, Peter Penguin, Harry Husky, and Sophie Seal as they get ready to have fun in the snow. Rosie Reindeer finds each of her friends, she wraps up warm, puts on her favorite red wellies, and goes outside. Now it's time for Rosie Reindeer's friends to find her! The lively, read-aloud rhymes in this book encourage literacy and early learning, while the surprise pop-up characters will delight curious preschoolers. With the help of parents or caregivers, toddlers will have fun turning the sturdy board book pages and lifting the flaps to find Rosie Reindeer and her cuddly winter friends. Ideal for interactive preschool play, Pop-up Peekaboo! Reindeer will appea

Delight your little one with five pop-up surprises featuring Toy Story characters in this delightful board book!It?s playtime with the Toy Story pals! Join Woody, Bo Peep, Buzz Lightyear, Jessie, and their friends in this pop-up and flaps board book for curious little ones who love Toy Story and Disney and Pixar movies. Little hands can lift big flaps and see five peekaboo surprises pop up from the pages, and explore themes of friendship, teamwork and bravery. This interactive pop-up book for 0-3 year olds includes:Hands-on play elements that build all-round learning skills.Lift the 5 flaps throughout the book to find the pop-ups, helping to develop fine motor skills. Rhythmic, read-aloud text that aids language development. Rounded edges and chunky board book pages rigorously tested (and chewed) by toddlers.Ideal for interactive preschool play, Pop-Up Peekaboo! Disney and Pixar Toy Story will appeal to both parents and children and is certain to keep little ones entertained time and t

Uncover the secrets of catching Pok幦on, in this Level 2 Super Reader!Ready, set, catch! Discover top Trainer tips on how to find and catch Pok幦on. Learn about perfect partners, such as Captain Pikachu and Friede. Identify Pok幦on with Liko and Roy. Plus, meet the Pok幦on Professors and Trainers who will help you be the very best!Packed with colorful Pok幦on imagery, clear and simple vocabulary, and a fun quiz, this thrilling Level 2 DK Reader will help young readers build their reading abilities and confidence as they learn about finding and caring for Pok幦on.

Take your self-study English language learning and confidence to the next level with the third practice book in the visual learning series English for Everyone.Practice Book: Level 3 Intermediate will help you to solidify the skills you learn from the Course Book: Level 3 Intermediate or from your other courses or studies. Strengthen your language for topics such as skills and tasks, giving instructions, and relationships and problem solving.Grab your pen and work your way through the exercises as you cover each topic. Activities include filling in the blanks, true or false decision-making, matching the pairs, and much more. Audio material is provided at every stage through the English For Everyone website and apps to provide vital experience of spoken English and make even tricky phrases easy to understand.English for Everyone is aligned to the CEFR, the international standard for language learning, and ideal for preparation for major English-language exams including IELTS, TOEIC, and

Bring the prehistoric world to your walls with this collection of 30 posters comprising the stunning images from the bestselling book Dinosaurs and other Prehistoric Life. Taking young readers on an incredible visual journey through the prehistoric world, each poster reveals an eye-catching image of a creature from the past. From dinosaurs and plesiosaurs to pterosaurs and fossils, there is a fascinating prehistoric creature for everyone to explore and marvel at. Every poster is clearly labelled and highlights key features and facts children need to know, so you have a perfectly curated look into the awe-inspiring world of the dinosaurs. Children and adults alike will love poring over the close-up images, and deciding where to place these spectacular posters! This is simply the best gift for any child who can't get enough of dinosaurs and other prehistoric life.

Enjoy watching a flower grow in the meadow, and find exciting pop-up plants and animals hiding under flaps in this delightful book for little ones. Watch a tiny seed land in the ground and grow into a beautiful flower. Then, watch as the bright yellow petals turn into a fluffy dandelion clock whose seeds get blown away in the breeze ready to be planted again. Look under leaves and peer between petals to discover the plants and creatures hiding there. Babies and toddlers will love lifting big flaps to find five peekaboo surprises popping up from the pages: worms wriggling under the ground, leaves growing from seeds, bright yellow dandelions bursting into flower, butterflies fluttering from flower to flower, and a dandelion clock blowing away in the breeze. The lively, read-aloud rhymes encourage literacy and early learning, while the beautifully illustrated pop-up scenes will surprise and excite curious preschoolers. Ideal for interactive preschool play, Pop-up Peekaboo! Flower will app

A bumper book for little learners bursting with fantastic facts and super scientific ideas.This beginners’ book introduces children to the science all around us.From how a plant makes seeds, and how a caterpillar turns into a butterfly, to how we use friction to warm our hands, and how gravity holds us on the Earth, this book has it covered.Investigate the energy of light and sound, examine the power of electricity and magnets, and inspect the makeup of glass. Then study the strength of plastic and how it can be recycled and reused. Next launch into space and explore the planets of the Solar System and discover why we float in space.Perfect for children aged 5-9, this book is a fun and accessible introduction to key topics of scientific study and is the ideal companion to support them with their learning. Covering many topics studied at school, this is the perfect starting point to encourage a life-long love of learning.

DK’s best-selling richly illustrated encyclopedia series explores the wonderful world of science. Learn the ins and outs of science as you’ve never seen it before, through incredibly detailed 3D illustrations, in this encyclopedia for children aged 9+. Knowledge Encyclopedia’s clear explanations, illustrations, photographs, and 3D images will engage children in complex subjects.This impressively detailed encyclopedia uses awesome illustrations to show biology, chemistry, and physics in the world around us. This all-encompassing science encyclopedia for kids offers:An impressive collection of facts, charts, timelines and illustrations. A visual approach using illustrations, photographs and extremely detailed 3D CGI images.Clear explanations of physics, chemistry, and biology, as well as space exploration, the latest technology, wonderful wildlife, and our amazing bodies. Children can explore science in a new and exciting way. Learn about groundbreaking topics like looking inside a cell,