Build an affordable device that tests how well a face mask can protect from particulates. Record quantitative data (PM 1.0, 2.5 and 10.0).
Project tutorial by Chris Munz
Simple and effective method (some police is using too) how to measure the side distance to an overtaking car.
Project showcase by theodorbenad
Shoot fireballs from your fists when you throw a punch with these arm mounted smart flamethrowers!
Project showcase by Allen Pan
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