Green Laser - Beam visible in the air!
styropyro 0:19
17,150 views · 109 likes Watch on YouTube ↗
In this video I show how bright the beam at night is on a 30mW laser from here: http://www.dealextreme.com/details.dx/sku.469~r.93098389 It only costs $25 with free shipping!
This video does not show what the beam really looks like at night, in real life the beam is much brighter.
This video does not show what the beam really looks like at night, in real life the beam is much brighter.
Category (YouTube): Science & Technology
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