Josh Silver demos adjustable liquid filled eyeglasses

That's next year's Yves Klein, you know, eyeglasses shape.

So, it's kind of like very fancy eyeglasses for your telescope.

In effect a pair of roving eyeglasses, a cutting edge example of where miniaturization can lead if the operator is remote from the vehicle.

So, this actually applied to the problem of so there's a half a billion to a billion people in the world don't have access to cheap eyeglasses.

Josh Silver delivers his brilliantly simple solution for correcting vision at the lowest cost possible adjustable, liquid filled lenses. At TEDGlobal 2009, he demos his affordable eyeglasses and reveals his global plan to distribute them to a billion people in need by 2020.

Narrator A tiny airplane, the AV Pointer serves for surveillance in effect, a pair of roving eyeglasses. A cutting edge example of where miniaturization can lead if the operator is remote from the vehicle. It is convenient to carry, assemble and launch by hand. Battery powered, it is silent and rarely noticed.