Shown: Samsung prototype, $1,600 and up
What It Is: A desktop PC transformed into a media center for playing music and DVDs—and a hard disk for recording TV.
2. Platform: Mira
Shown: Viewsonic Airpanel, $600 and up
What It Is: A wireless display that lets you surf the Web and access your desktop from anywhere.
3. Platform: Tablet PC
Shown: Fujitsu prototype, $2,000 and up
What It Is: Laptop replacement that works like a
writing pad—it converts your scribbles to text.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.