We love reading about the future that never was almost as much as the one that’s coming . Why? Because you get to try and conceptualize gems like this: a “huge rolling cross-country pleasure ball” that’s nuclear powered and features a hotel-like interior that remains upright thanks to some gyro-stabilization. Hey, why not!

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Alas, future that never was: massive atomic rolling pleasure ball

A couple days ago we wrote about that badass space-fighter attack boat thing , and we mentioned that it uses “supercavitating technology” to help reduce hull friction. Supercavitation works on bigger boats, too, and a new generation of cargo ships will use lots of little bubbles to improve their fuel efficiency by 25%.

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Ships blow bubbles out their bottoms, improve fuel efficiency

Forty-three feet longer than a standard city bus , China’s Youngman JNP6250G is 82-feet long bus and as agile as a sports car cruising down the highway, taking tight turns without smashing up traffic.

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World’s largest bus can transport 300 riders at once

NASA has been actively encouraging aerospace companies to start working on the next generation of passenger airliners, and we’ve been impressed by futuristic designs from Boeing and Lockheed Martin. Northrop Grumman revealed its design last week, and it probably looks familiar: it’s basically a giant B-2 stealth bomber that you can ride inside.

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Your next airliner could be a B-2 bomber

This post will never serve as an excuse for you to drive drunk, but it could make you think about not going anywhere when you’re feeling under the weather (which could also be a pretty good excuse to just game all day ). A new study finds that driving while sick is easily comparable to driving after having four double-whiskeys .

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Great excuse to never drive: driving with cold same as driving drunk

Oracle ColorSHIFTs are LED headlights that can change any color . PLUS STROBE. Want to give the driver in front of you a seizure? NO PROBLEMO. They’re only made for select car types and cost over $400, but who cares, your headlights are shooting rainbows . Mine? Mine are shooting f***ing laser beams. No, no they’re not. I’m not even sure if the bulbs still work. *turning key* “Well one does.” PADIDDLE! Now you have to kiss me. Hit the jump for a video of the lights in action and a link to the product site.

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Rainbow Brites: Color Changing Headlights

When we test-drove our Chevy Volt last year , we didn’t experience any side-impact accidents. We also didn’t experience any instances of the battery pack catching on fire. The National Highway Traffic Safety Administration has found that sometimes both of these things can occur back-to-back, so GM has had to come up with a fix.

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GM tweaks Volt’s battery pack, fiery death now less likely

Nothing screams future like an automated pod transportation system. These little vehicles have been helping passengers get around Heathrow airport since April of last year, and they’ve been so successful that India is buying a huge new system to help tourists and pilgrims to visit a temple in Amritsar.

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India getting largest podcar transit system in the world

Ever since the last flight of the Concorde, the priorities for air travel have changed from going faster to going more efficiently. An EU-sponsored study called LAPCAT has been trying to shake things up with a hypersonic aircraft called the A2, which would take 300 passengers anywhere on Earth at over Mach 5.

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ESA working to develop hypersonic airliner for 2040

The Christmas shopping rush is on, so if you want to get all of the hottest tech toys before they’re sold out, you need to get to the mall pronto. I can think of few better ways to do that than this 805 horsepower Jeep Grand Cherokee from Hennessey Performance.

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Beat all other shoppers to the mall with this 805 horsepower Jeep