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a great description of how to introduce forces to students

Increased size of dolphin has dramatic effect on drag force. Could be a fun thing for students to explore. 

great analysis of salmon ladder from ninja warrior from force perspective

Interesting experiment using force probe and motion sensor to characterize the energy loss of a rubber band

But now Oxford University and National University of Singapore scientists have shown that birds may really 'see' the invisible force of magnetism, giving them a compass on top of their normal vision: rather like aircraft 'head up displays' which overlay crucial navigation information on a transparent screen in front of the pilot.

very cool device built by rice undegrads to show feasibility of catching artillery projectiles w/o damaging the projectile. 

Awesome instructions on how to mod a real slingshot with an accelerometer and force sensor to play angry birds. 

Brilliant post on how to teach students that all objects fall at the same rate, and the damage we do when we force this issue

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