Various things, well beyond my ability to sketch them. Please see the link.
Richard James invented the slinky in 1943. The idea for the slinky came about when he accidentally knocked over a spring and noticed how it moved in a slinking manner. He later developed it into the popular toy we know today.
Richard James also invented the "Floating Hoop," a popular toy in the 1960s that mimicked the hula hoop but could be performed without actually rotating the body. He also co-invented the "Kit-A-Majig," a construction toy set made from plastic tubing and connectors.
No, Albert Einstein did not invent the light bulb. The light bulb was invented by Thomas Edison in 1879. Albert Einstein was a physicist known for his theory of relativity and contributions to the field of physics, but he did not invent the light bulb.
Richard James invented the slinky accidentally while working on springs for naval equipment during World War II. He noticed how a spring fell off a shelf and "walked" down instead of toppling over, inspiring the idea for the slinky toy.
Thomas Edison did not invent paper. He was known for his inventions such as the phonograph and the electric light bulb.
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because of inportance
His lines show how particle interactions work.
K
Richard March Hoe invent Hight speed printing press...i think dot dot dot
richard invented the first flying machine
Feynmans path integral formulation equations
machine gun
The steam loon
Richard Cappers did not invent the Mac computer.
Richard Nixon invented the Chinese Compass and the Nixonmobile.
The dry plate process.