Check your answers here for which items were invented before
Yes. The first functioning version of the interlocking teeth
zipper, called the “Hookless Fastener No. 2,” was
invented by Swedish-born American immigrant Gideon Sundbäck in
1914. The name “Zipper” was first used in the
1920s. During the 1920s and 1930s the zipper gained popularity for use
in children’s clothing and men’s trousers.
Yes. The first publicly demonstrated transmission and
reception of a radio signal was in 1894 by Oliver Lodge and Alexander
Muirhead. In 1901, Guglielmo Marconi transmitted a radio message across the Atlantic Ocean. The first radio broadcast of sound and speech occurred on
December 24, 1906, by Reginald Fessenden. The use of radio receivers in
homes began in the 1920s.
No. Discovered by Alexander Fleming in 1928.
Yes. The original potato chips were invented by chef George Crum in 1853. Potato chips began to be mass produced in 1910.
Yes. Telegrams were first transmitted in the 1830s.
Baker’s Breakfast Cocoa
Yes. The border on your paper is from a 1915 newspaper ad for Baker’s Breakfast Cocoa.
Yes, for non-digital computer. Charles Babbage invented the first machine that could do math calculations in 1822.
No, for digital computer. The first digital computer was invented by George Stibitz in 1937.
Yes. Butter making is an ancient chore, possibly from as early as 8000 BC.
No. John Logie Baird first transmitted moving black-and-white images in 1926. The cathode-ray tube was invented in 1923,
and in 1928 Philo Farnsworth used a cathode ray tube in the first functional television system. Televisions did not come into use until the 1930s.
Yes. Coca-Cola was invented in 1885 and first sold in 1886.
No. Swiss engineer, George de Mestral, invented the hook-loop
fastener in 1941, which was called the “zipperless
zipper” in the 1950s. Velcro only became popular after NASA
used the product for fasteners in space suits.
Yes. Quilts have been sewn for centuries, perhaps as early as the 35th century BC.
Yes. Invented by Rev. Sylvester Graham in 1829.
Kellogg’s Corn Flakes
Yes. First sold in 1906.
No. Invented by Richard James in 1943.
Yes. Alexander Graham Bell’s first telephone transmission of clear speech occurred on March 10, 1876.
Yes. Ice cream has been around since the 1700s.
Yes. Invented by Alexander Parkes in 1855.
Yes. The second-oldest toy in the world (over 2500 years).