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#bedfordhighway

214-212 B.C.

Archimedes' Heat Ray

-Using Heat

-War

20th century Photoelectric effect

Observation of electron

emission of metals when

light is upon it

Leading to high Tech, high

efficiency technique of getting

solar energy

1839

French Scientist

Edmund Becquerel

-There's a change in electrical potential when object are exposed to sunlight.

Reference

*The copyright

of the video is

owned by

"GreenLiving UK"

Important Information about Solar Energy with respect to Global Geography Class

Sun's energy on earth /hour

= Total energy use on the earth/ year

Limitless supply of energy

A.K.A, Renewable Natural Resource

Natural Resource: Any natural recourse that can reproduce itself under the time of 50 years.

Formula for Energy gained from solar panels

Uses Photovoltaic cells to collect the sun energy

-turns it in to D.C. current (direct current)

-Greater the sunlight, more energy present to

convert to current, AKA electrical energy

*If anyone is interested in D.C. or current system

in general, feel free to ask at the question time at the end of the presentation.

P=BAT^4

dT=((I[in] - I[out])dt)/C

When

P=power

B= Stefan boatmann's

constant

A=area of emitting surface

T=temperature of surface

dT=delta T or Change of Temperature

I=Intensity of emitted radiation

dt=change in time

C=heat capacity of a surface

Evolution of the Solar Panels

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