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Learning without distractions

8.01x – Lect 35 – Farewell Special, My Early Days in Astrophysics, Huge Balloons

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Lectures by Walter Lewin. They will make you ♥ Physics. 80 tutorials here
Physics

My Research during my Early Years at MIT – Balloon Astronomy in Australia – Great Photos – Great Story.
Exam (final): http://freepdfhosting.com/739ff9822b.pdf
Solutions (final): http://freepdfhosting.com/c5d81e6fb2.pdf