Inventions

Silicene

Metal Foam

Superalloy

The Velocipede

Autonomous Weapons

Frank Reade, Jr., with his new steam man in Mexico or, hot work among the greasers

Lightweight Small Arms Technologies

Montreal's Expo 67

Ralph 124C 41

The proposed union of the telegraph and postal systems

Thermal Copper Pillar Bump

Spintronics

A History of Inventions, Discoveries, and Origins

International Regulations for Preventing Collisions at Sea

The history of steam navigation

Motor Matt's Air Ship; or, The Rival Inventors

Ben Hardy's flying machine; or, Making a record for himself

Mahem

Stealth Technology

Precision Guided Firearm