When you pour a cup of coffee into a mug, the heat that emits off of it has energy. Though you may know that from chemistry, you probably didn't think that a piping hot mug could be useful to your actual life. Fortunately two Copenhagen design students, Sergey Komardenkov and Vihanga Gore, did think about that, and invented a table that will use that energy to charge your cell. The table is appropriately called "Heat Harvest," and it's totally sustainable: no more wasted electricity when you could be using heat.
The Heat Harvest table has sensors that pick up heat through conduction, and pretty much any household item can work, from a hot pan to a laptop to your morning cup of joe. The sensors use that energy to power electronic devices, similarly to how a wireless charger does. Of course, that's the short version, but you can check out the video that explains all of the nuances of the project:No word yet on when this table might be on the market, but this is totally the way of the future.
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