Stephen Hawking gets the  experience of  weightlessness (April 26, 2007) from ZeroG corp. A new era of manned spaceflight is upon us,  a new Big Four is working on lift technologies, a financial whiz has taken another tack, creating a destination - a hotel in space - and has managed to launch a successful prototype.

Prepare for the future with some free cognitive enhancement tools.  NASA suggests that astronauts check and monitor their cognitive ability to stay sharp: after all, there are manifold threats in space such as extended weightlessness, which changes the body and brain - and external concerns such as gamma rays which also can impact cognition. A Windows^(R) powered PC test battery takes these measurements in space.

Here you get scientifically-validated tests as a web service - always on, accurate,  accessible, and free.  Try it below. Hint: Watch for the image of the Bell rocket plane, then press the down arrow key.