Energy from the Sun

Purchase: http://hilaroad.com/video/
With some very simple equipment and knowledge of basic math it is possible to estimate the power output of the sun.
This video describes the process and explains the calculations. The video leaves a challenge, use the results to calculate the total energy arriving at the earth each second and using E=mc^2, calculate the mass loss of the sun.

Видео Energy from the Sun канала ScienceOnline