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

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 ...

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 ...

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 ...