Recent content by AndreyT

  1. A

    New Cree headlight. Li-ion batteries problem.

    It is not the first time I see this light. It seems to be an exact copy of MagicShine (808 or similar). (I wonder if it is the same OEM light before being branded as MagicShine, or a knockoff?) If this battery proves to be faulty, one can always get a normal MagicShine battery.
  2. A

    Magnic Light: contactless bicycle dynamo light

    Actually, the fact that the wheel rim is rotating is already sufficient to produce power. I understand the intuitive feeling that make you to conclude that it is impossible. It feels like a paradox, and a very well-known paradox from the history of physics: so called "Faraday paradox". Wikipedia...
Top