Accessible Science

This tool allows users to do something that many people can do without a second thought

Which of these is made possible by the device pictured?

 

shoulders

  1. A. Cracking an egg.
  2. B. Taking a selfie.
  3. C. Threading a needle.
  4. D. Steadying a moving video camera.

Get the answer here.

Originally published by The New Yor Times science section. All rights reserved. Photo by Han Beol Jang/M.I.T.

 

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