I admit, just viewing a CFL spectrum with a webcam and a bit of cardboard was a kick but then the...
Physics Teacher from Kabylia Moutains (North Africa), and would like to help my students by simple and nice experiments of physics. Also, i am sure that such projects can help improuving helth and environnement protections. (Really very very funy your anti spam technique, it makes me smiling :)
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