Sunday 27 October 2013

drinks chiller

I had once wondered if the Ranque Hilsch vortex could not be used to make cheaper air cooling systems. Here's a drink cooler using another/similar vortex. Awesome! just cool it when you need it and the fridge space can be freed!

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Ceiling fan

 I read somewhere that as a solution for student suicides, IISc has decided to remove fans from hostel rooms. No fan, no suicide. This shoul...