F-22 Raptor taking off into a 90 degree vertical climb

How Wi-Fi waves propagate in a building

New obsession: seeing things in thermal vision.

Strawberry picking machine... Seems fun :)

Tangled Manta Ray asks for diver's help

too tired to train

Motorcyclist couldn't pass up such a perfect opportunity

Global Internet Usage Based on Time of Day

Capturing the imagination of a child

Roger sounds like my kind of guy.