As great as we think e-paper and other thin, flexible, ultra-portable gadgets are, the one problem that has foiled more of these projects than anything else is the power source. Most batteries require some amount of bulk, making them impractical for use i

It would be hard to hide our enthusiasm for transparent gadgets, but for the most part the see-through things have been nothing more than concepts. That’s thanks to the innards of most gadgets being so difficult to produce in a transparent form, with the

Despite looking like the lovechild of a bass drum and a rolling suitcase, this gadget is in fact an electricity transporter. After being plugged into a wall socket or an alternative energy storage device for a few hours, the Yillcan hold up to 300 watts o

There have been literally hundreds of designs meant to use a person’s regular daily motions tocharge their gadgets. But until now, most of them have seemed reasonable and even sort of clever. That is not quite the case with the Walk Charge Shoedesigned