Thanks to Princess Leia's famous Star Wars plea, true holograms rank just behind flying cars as tech we want, nay deserve to have in our lifetimes -- and Tupac-style flimflam won't cut it. [Read more...]
Uber's car service lets you rate your drivers, but it also lets them rate you. The customer might always be right, but some customers are simply jerks -- and the system lets drivers know what they might be in for. [Read more...]
The lithium ion batteries in your mobile devices are inherently limited by the "ion" part of their name; they can safely use lithium only in the part of the cell that supplies ions, wasting a lot of potential energy. [Read more...]
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