December 12, 2014 at 10:18AM

This actually happened last hour when a student solved the two ramps problem. http://t.co/XSqQhgBpKA #180tweets http://t.co/OkMnkYKqoE http://ift.tt/1Bpy3TC
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December 10, 2014 at 09:29AM

More goal-less problem solving. One whiteboard not enough! #180tweets http://t.co/bNLq7ime4i http://ift.tt/1AfxNp6

December 05, 2014 at 08:44AM

Newton’s 2nd with mod Atwood and friction. First looked at Ft changes when sled released, then Ft vs acc #180tweets http://t.co/lAEJrd32F4 http://ift.tt/1yw99Cf

December 03, 2014 at 10:12AM

Goalless problem solving. #180tweets http://t.co/iZgpxeZ0Wd http://ift.tt/1vk4KfQ

December 01, 2014 at 08:44PM

Today we summarized and organized the historical evidence about light as a wave and a particle. #180tweets http://t.co/A6fjF9guoW http://ift.tt/1wgbEsX