Quick Quiz: Greatest Ideas of All Time March 11, 2025 by Liz Summers Greatest Ideas of All Time Let's test your knowledge! Start QuizPage 1 of 10 In which century was the bicycle invented? German Inventor Karl von Drais is credited with developing the first bicycle. His machine was known as the "swiftwalker". 1886 1817 1867 Page 2 of 10 Who invented the electric light bulb in 1879 at his laboratory in New Jersey? The first high resistance, incandescent electric light was completed in January 1879 at his laboratory in Menlo Park, New Jersey. Thomas Edison Nikola Tesla Albert Einstein Page 3 of 10 Who invented the first airplane that could successfully hold a human and an engine in 1903?Four years of research and development were spent to create the first successful powered airplane. It first flew in Kitty Hawk, North Carolina on December 17, 1903. Wilbur and Orville Wright Igor Sikorsky Richard Trevithick Page 4 of 10 Who was the African American scientist who created more than 300 products from peanuts and sweet potatoes? He was an agricultural scientist and inventor who developed hundreds of products using peanuts (though not peanut butter, as is often claimed), sweet potatoes and soybeans. Marcellus Gilmore Edson Cyrus McCormick George Washington Carver Page 5 of 10 Who invented the steel plow that replaced the wooden plow?He invented the steel plow in 1837 in Grand Detour, Illinois when the Middle-West was first being settled because the soil was richer than that of the East and the farmer's wood plows kept breaking. John Deere Henry Blair Cyrus McCormick, Page 6 of 10 Benjamin Franklin had an impressive CV that included titles like postmaster, politician, freemason, inventor, and diplomat. Which vision-improvement aid is he credited with inventing? Bifocal lenses Trifocal Lenses Contact Lenses Page 7 of 10 Isaac Newton had few friends but loved animals. Which of these pet accessories did he invent? Cat Bed Cat Door Cat Maze Page 8 of 10 Through his work with Apple, entrepreneur and industrial designer Steve Jobs changed how most of us live our daily lives. In what year of the 2000's was the original ipod released?The iPod is a discontinued series of portable media players and multi-purpose mobile devices designed and marketed by Apple Inc. October 23, 2001 June 29, 2007 October 14, 2008 Page 9 of 10 Rudolf Diesel lent his name to the mechanical device that became his most famous invention. What type of device was it?Rudolf Christian Karl Diesel was a German inventor and mechanical engineer who is famous for this invention. Diesel Engine Gas Engine Wankel Engine Page 10 of 10 What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes? Richard Salter Charles Richter Anders Celsius