Benjamin Franklin's experiment with the kite "..when the string was thoroughly wet, abundance of electricity was procured..." Benjamin Franklin (1706-1790), American scientist, inventor and statesman. Franklin showed that lightning is electricity by flying a kite carrying a metal key during a thunderstorm. This led to his invention of the lightning rod to protect buildings from lightning strikes. He also invented fins for swimming, bifocal glasses, a urinary catheter and showed that evaporation cooled objects. In between all this, he also found time to found the USA, help shape the revolution and be a signatory of the Declaration of Independence.
px | px | dpi | = | cm | x | cm | = | MB |
Details
Creative#:
TOP22088235
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
N/A
Property Release:
No
Right to Privacy:
No
Same folder images: