In order to see light, the eye must absorb it, but in order for a person to be invisible, the body must not absorb any light.

ECONOMIST: Optical materials: Cast no shadows | The

It must have good light sensitivity and resolution, and also be capable of wide angle to macro and auto-focus.

FORBES: AppleTV Is The Best Tool For Delivering Live Wireless Video Presentations

It certainly must be socially useless to have so much lightning-fast yacking traveling at the speed of light.

FORBES: The Financial Transaction Tax Is Bad Business For Europe

Among other arguments, Sprint has stated that the complex financing provisions of the DISH Proposal must also be considered in light of the existing Clearwire contractual arrangements (including debt arrangements) and that it is not clear from Sprint's review that such financing is permitted by or would comply with Clearwire's existing arrangements.

ENGADGET: Dish Network makes an offer to buy Clearwire, even though Sprint was already buying Clearwire