April 25, 2016 AT 10:22 am

Listening to Light with a Homemade DIY Laser Communicator

Using a pet-safe laser toy and some common components along with a bit of crafty construction, Rimstar shows how to build a basic laser communicator – there are several variations of this project out there and it’s a really fun project to explore the notion of ‘transmission’ and how that operates.


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