Who Built the First Rideable Bicycle?
There are several early but unverified claims for the invention of the bicycle. The earliest comes from a sketch said to be from 1534 and at
TellMeWhy
A wonderful and marvelous collection of answers to intriguing questions everyone ask about the world covering almost every subject, from science and history to art, language, mathematics, technology, and homeschooling
Why Is DDT Dangerous?
After extensive use as a pesticide, DDT was found to have many harmful after-effects on human beings and animals. The control of insects was
Who Were the American Inventors, Who Chose to Celebrate Their Life’s Work in Death?
Fredric John Baur: A chemist and food storage technician notable for designing and patenting the Pringles packaging. Baur filed for a patent
Who Invented the Parachute?
Leonardo da Vinci (1452-1519) was thought until recently to have been the first to design a parachute. But drawings have now been found that
Who Designed the First Steamboat?
The first boat ever to be moved by steam power was designed by a Frenchman Jacques Perrier and tested on the Seine in Paris in 1775. But the