Invention Timeline by Isaac Tng https://padlet.com/IsaacT132/5gu60dxkrooaj82y en-us 2021-09-23 05:05:02 UTC 2021-09-23 05:51:34 UTC hello@padlet.com Paper IsaacT132 https://padlet.com/IsaacT132/5gu60dxkrooaj82y/wish/1762027245 Paper was invented in AD 105 by Cai Lun, using clothes and sheets' material and using ink to write. This is useful since there are many useful functions for writing on paper.]]> 2021-09-23 05:15:58 UTC https://padlet.com/IsaacT132/5gu60dxkrooaj82y/wish/1762027245 Spectacles IsaacT132 https://padlet.com/IsaacT132/5gu60dxkrooaj82y/wish/1762032744 Spectacles were invented in the 13th century at around 1285, using wooden frames. Spectacles allow people with unclear vision to distinctly see when wearing.]]> 2021-09-23 05:19:10 UTC https://padlet.com/IsaacT132/5gu60dxkrooaj82y/wish/1762032744 Battery IsaacT132 https://padlet.com/IsaacT132/5gu60dxkrooaj82y/wish/1762041241 The first battery was called a voltaic pile, invented by a scientist called Alessandro Volta in 1799. He used pairs of copper and zinc discs. Batteries charge electrons to power up appliances we use.]]> 2021-09-23 05:24:10 UTC https://padlet.com/IsaacT132/5gu60dxkrooaj82y/wish/1762041241 Aeroplanes IsaacT132 https://padlet.com/IsaacT132/5gu60dxkrooaj82y/wish/1762050743 The Wight Brothers invented the first successful aeroplane, on December 17th 1903. Aeroplanes are useful since they can carry objects oversee and also helps us travel.]]> 2021-09-23 05:30:19 UTC https://padlet.com/IsaacT132/5gu60dxkrooaj82y/wish/1762050743 Internet IsaacT132 https://padlet.com/IsaacT132/5gu60dxkrooaj82y/wish/1762061615 The internet was invented on January 1st 1983. Prior to this, people had no way to communicate like we do now. Bob Khan and Vint Cerf were the inventors of the internet. ]]> 2021-09-23 05:37:26 UTC https://padlet.com/IsaacT132/5gu60dxkrooaj82y/wish/1762061615 U.S enhances and upgrades paper in 1690. IsaacT132 https://padlet.com/IsaacT132/5gu60dxkrooaj82y/wish/1762076355 2021-09-23 05:46:31 UTC https://padlet.com/IsaacT132/5gu60dxkrooaj82y/wish/1762076355 The German chemist Robert Wilhelm Bunsen invented our modern battery today in 1859. IsaacT132 https://padlet.com/IsaacT132/5gu60dxkrooaj82y/wish/1762080763 2021-09-23 05:49:15 UTC https://padlet.com/IsaacT132/5gu60dxkrooaj82y/wish/1762080763 With help from the internet, Tim Berners Lee created the World Wide Web. IsaacT132 https://padlet.com/IsaacT132/5gu60dxkrooaj82y/wish/1762084692 2021-09-23 05:51:34 UTC https://padlet.com/IsaacT132/5gu60dxkrooaj82y/wish/1762084692