Presents a history of the Eiffel Tower, discussing the public controversy the tower sparked, the designer Alexandre-Gustave Eiffel, and the technological challenges faced in constructing the tower.
Examines the challenges faced by designers and builders of medieval castles, discussing how they were used, notable structures, and defending the castles from invaders.
Describes the popularity of body piercing and tattooing, including information on motivations and influences, extreme forms of body art, and the long-term implications of permanent body modification.
Discusses the origins and construction of Roman roads and aqueducts, services and amenities along the roads, public water supplies, and what remains of Roman systems today.
Offers descriptions, relevant facts, opinions, and advice on careers in aviation and aerospace, with educational requirements, salary ranges, required skills, and employment prospects for several jobs
Discusses issues regarding the right to privacy and the impact of the internet, including information on identity theft, cyberbullying, secret data collection, hacking, and security breaches.
