The folks at Low Tech Magazine are here again, this time with a solar powered coffee maker. Lest you think of a large parabolic mirror with a pot at its focus, in this case the device is much more ...
Germany’s Liontron said it can prepare 300 cups of coffee per day from the PV modules and storage tech on its bicycles for beverage vendors. This means its mobile coffee shops can operate without grid ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results