RE-INVENTING THE WHEEL This is pretty cool...a bicycle wheel that adds an engine to any bike...240 miles to the gallon apparently, for an add-on that likely will be priced at around $400. More on Techeblog: ...RevoPower — a motorized replacement bike wheel that “takes standard two-stroke fuel, the same stuff you fill your lawnmower with, and will add 15 pounds of weight to your bike.”They've even got a YouTube video showing the thing in action. Put it on a Unicycle, and you've almost got half a Segway, saving $4400. Not available until next year though, so we'll have to be...

TOO MUCH OF A GOOD THING Hybrid cars have been on my mind of late, not just because of rising gas prices. There've been several instances of late when I've been stuck in a serious stop-n-go traffic on the freeway and watch one Toyota Prius after another zoom past me in the HOV (aka carpool lane), with just one passenger on board. You see, to encourage private market purchases of hybrids, various states are allowing certain hybrids to freely use the carpool lanes with nary an extra passenger. I'm even hearing anecdotal rumblings the program working a bit too well,...

Virgin Galactic unveiled the design for the interior of its SpaceShip 2, due to roll out in 2008 and be operational for sub-orbital flights in 2009. Reports Space.com: The air-launched SpaceShipTwo is designed to seat eight people – six passengers...

Underwater hotels have long been dream projects for architects and designers, but it looks like two of them may actually be built over the next 18 months in Fiji and Dubai. The Fiji resort will be called Poseidon and cost...