Traces the origins and historical development of guns, dynamite and TNT, automatic weapons, and weapons of mass destruction, and includes a time line, glossary, and suggestions for further reading.
Discusses the scientific developments and theoretical concerns that have led to current achievements in space exploration and will be necessary for future space travel.
Traces the origins and historical development of transportation, discussing the wheel, sail, steam engine, internal combustion engine, and airplane, and includes a time line, glossary, and suggestions for further reading.
Presents five hoaxes that have appeared since the beginning of the twentieth century including Edward Gardner's claim that he captured fairies on film in 1917 through to the crop circle craze in the 1960s.