http://www.instructables.com/id/Tesla-Coil-Night-Light/
Uma muito boa ideia, um sinal Laser para avisar da presença de Bicicletas e Motas!
Student-designed bicycle device designed to save lives
By Ben Coxworth
Many people are afraid of riding their bicycles on busy roads full of motorized vehicles, and it's easy to understand why. Not only are bikes slower and offer less protection than cars, but they can also be more difficult for drivers to notice. A device invented by a British design student, however, could help level the playing field a little. It's called BLAZE, and it alerts drivers to the presence of a cyclist by projecting a laser image onto the road in front of the bicycle."Eighty per cent of cycle accidents occur when bicycles travel straight ahead and a vehicle maneuvers into them," said Emily Brooke, a final-year Product Design student at the University of Brighton. "The most common contributory factor is 'failed to look properly' on the part of a vehicle driver. The evidence shows the bike simply is not seen on city streets."
Especial para os Sucateiros Amadores como eu, como arranjar Tralha, de Borla, e é um Ebook cheio de ideias, ainda por cima!!
Continuando na onda de poupar, que isto não está para brincadeiras, como fazer uma Bancada, por menos de 100 Dólares...
http://www.instructables.com/id/Wrap-around-workbench-under-100/
E estão fartos de ver os vossos rolos de Fita-cola desenrolar mal, ou fartos de estarem à cata da ponta da fita?
Isto é para vocês, feito com Contraplacado e uma Lata:
Poupar... é bom!
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