Headliner

Custom Royal Enfield chopper rocks monster four-cylinder engine
by Utkarsh Sood
It’s not every day you spot two separate 650cc engines on a motorcycle, is it? This Royal Enfield Classic 650-based chopper comes from Custom Works Zon, a well-known Japanese custom house, and it’s probably the best RE custom you'll ever see.
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Highlights

Muscle-boosting workout trend raises short-term fall risk for some adults
by Bronwyn Thompson
The use of blood-flow restriction cuffs that "hack" your physiology to speed up strength and muscle gains has been growing in popularity. However, researchers have now found that they come with a big downside during use – especially the older you get.

SnowdogX is a simpler electric alternative to a snowmobile
by Ben Coxworth
Snowmobiles are an effective means of moving across the snow and ice, but for many tasks they're … well, they're more of a vehicle than you need. The Snowdog is a simpler alternative, and it's now available in an electric model known as the SnowdogX.
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Hard-traveling Dakar RV nearly triples size into off-grid McMansion
by C.C. Weiss
Developed for the Shiver Offroad rally raid team that will be competing for a Dakar crown in just a few weeks, the Shiver x Expandable 6x6 motorhome is an intensely rare combination of rally-supporting grit, off-grid autonomy and spacious living.

Watch: Vine-like robot lifts delicate cargo – including human bodies
by Michael Franco
Although they're constantly improving, robots aren't necessarily known for their gentle touch. A new robotic system from MIT and Stanford takes a unique stab at changing that, with a robot that uses vine-like tendrils to do its lifting.

Nuclear startup raises $300M to building portable 1-MW reactors
by Abhimanyu Ghoshal
Radiant Nuclear is making big moves in its mission to bring its 1-MW microreactors to market, recently raising $300 million to scale its commercialization efforts ahead of shipments to customers in 2028.
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Ultra-rare 220-hp, 700cc rotary-powered superbike up for sale
by Utkarsh Sood
For anyone who ever wanted to own an insane track bike producing a whopping 220 horses courtesy of a dual-rotary 690cc engine, you're in luck. An exclusive Crighton CR700W – one of only 25 that were ever made – is on sale … and it could be yours!

Airless wheel can change shape and drive through fire
by Abhimanyu Ghoshal
One of the big challenges in building a space rover is ensuring it doesn't break down out there. Aerospace engineers have designed a flexible wheel for rovers that doesn't require an air-filled tube, can change its size, and can take a real beating.
Elsewhere
Nearly a century ago, a cat’s glowing eyes inspired a life-saving invention that’s still in use today! 👇🏽
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