
The PopSci booth is hopping here at Maker Faire Austin. Here's Gray Matter columnist Theo Gray doing a version of his "dry ice cream"—this time by simply pouring liquid nitrogen into a pot of cream and sugar. Who needs an ice cream maker? Mmm mmm good. —John Mahoney
Will the first cellphone equipped with Google's new open-source operating system, Android, go on sale by summer's end?
Will the Phoenix lander find verifiable signs of life on the surface of Mars by January 1, 2009?
Will the HTC Touch Diamond arrive in North America by September 31st?

