1.  We had a class discussion in which we discussed how to build a thermos.  We learned that insulation is required (vacuum) and silvering is required (to stop radiation)

2.  We discussed how the space shuttle must rely on radiation to get rid of its excess heat.

3.  We watched some videos on a thermos and also a video on cryogenically frozen materials.

homework: turn in your global warming project and your specific heat lab tomorrow

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