Combining the technologies could improve efficiency enough to make hypersonic projectiles much more affordable.

The rotating tunnels will each have a driver, who'll control the effective ground speed for people in the tunnel. That'll start out at below walking pace for real newbies (who can also hang onto a ...

The best rotating car seats make life easier for parents and kids by simplifying getting rear-facing babies and kids into the car. While some only rotate from rear-facing mode, others can rotate 360 ...

Earlier this month, Samsung launched the Galaxy Watch Ultra and immediately got flack for its familiar look (read: the Apple Watch Ultra must feel flattered). Whether you personally buy into the take ...

Yesterday, Vladimir Putin presented his country with a belated Christmas present: the Avangard hypersonic missile. According to Russian media, it's capable of reaching Mach 20. And if its ability to ...

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