https://padlet.com/chienl/zpy7ztwv3yr3 Created by Chien en-us 2016-10-20 01:48:19 UTC 2024-08-12 14:05:51 UTC hello@padlet.com chienl https://padlet.com/chienl/zpy7ztwv3yr3/wish/131962561 Invented by : Robert J. Van De Graaff in 1929

- an electrostatic generator 
  - collect high amount of electrostatic charge
   by moving belt 

- Advantage: 
  high voltage can be used to speed up
  subatomic particles = useful for physics research
 


]]> 2016-10-20 01:59:35 UTC https://padlet.com/chienl/zpy7ztwv3yr3/wish/131962561 chienl https://padlet.com/chienl/zpy7ztwv3yr3/wish/131964169 material of car surface : positively charged 
-  use of electricity // its metallic nature

paint : negatively charge (anion)

- Advantage: 
  opposite charge = attract 
                      ^ 
  the surface attract the paint

]]> 2016-10-20 02:14:02 UTC https://padlet.com/chienl/zpy7ztwv3yr3/wish/131964169