https://padlet.com/rbrown182/ee06kwz7dz8wmf98 Add a not telling us the history behind one lever invention en-us 2021-01-21 20:21:52 UTC 2023-01-21 10:31:16 UTC hello@padlet.com rbrown182 https://padlet.com/rbrown182/ee06kwz7dz8wmf98/wish/1111959465 The catapult was first used in 400 BCE by The Greek Dionysius the Elder of Syracuse. ]]> 2021-01-21 20:23:22 UTC https://padlet.com/rbrown182/ee06kwz7dz8wmf98/wish/1111959465 https://padlet.com/rbrown182/ee06kwz7dz8wmf98/wish/1142125090 Invented by Chuk or Zhuge Liang. It was used in battle to carry supplies for soldiers and to carry the wounded and dead off the battle feild.
Reese
Jack
Greg]]> 2021-01-29 19:09:48 UTC https://padlet.com/rbrown182/ee06kwz7dz8wmf98/wish/1142125090 https://padlet.com/rbrown182/ee06kwz7dz8wmf98/wish/1142134982 The seesaw was first created in  1640 by Korean girls that wanted to see over their palace walls.

Rachael
Scarlette
Townsend]]> 2021-01-29 19:12:15 UTC https://padlet.com/rbrown182/ee06kwz7dz8wmf98/wish/1142134982 https://padlet.com/rbrown182/ee06kwz7dz8wmf98/wish/1142137969 The diving board was invented by Aaron Kuklinski. 
Madeleine
Cypress
Kenny]]> 2021-01-29 19:12:59 UTC https://padlet.com/rbrown182/ee06kwz7dz8wmf98/wish/1142137969 https://padlet.com/rbrown182/ee06kwz7dz8wmf98/wish/1142155934 in 1897 "Abram W. Duck of Duck's Cyclery in Oakland, California was granted a patent for his Duck Roller Brake (U.S. Patent 594,234). The duck brake used a rod operated by a lever on the handlebar to pull twin rubber rollers against the front tyre, breaking the front wheel." - google search engine. 
michael
david
mercy

]]> 2021-01-29 19:17:06 UTC https://padlet.com/rbrown182/ee06kwz7dz8wmf98/wish/1142155934 https://padlet.com/rbrown182/ee06kwz7dz8wmf98/wish/1142159231 There wasn't one particular person who invented the staple. Over the years there were many who addapted the first stapler, but the one most similar to the stapler we know today was invented by George McGill. 

Dylan
Elizabeth]]> 2021-01-29 19:17:52 UTC https://padlet.com/rbrown182/ee06kwz7dz8wmf98/wish/1142159231 https://padlet.com/rbrown182/ee06kwz7dz8wmf98/wish/1142191978 2021-01-29 19:25:38 UTC https://padlet.com/rbrown182/ee06kwz7dz8wmf98/wish/1142191978