So for most purposes, speed is a good proxy for angle of attack.

Moreover, in addition to the above, what if the path where the crack will go is controlled by the molecules of the material ...

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It’s possible to defy gravity using sound waves, magnets or electricity, but today’s methods can’t hoist heavy items high in ...

One of the oldest unsolved riddles in planetary science concerns the origin of the moon. Over a century ago, George Darwin ...

When recruits were punched and tackled during a role-playing exercise at the Texas game wardens academy last year, they were taking part in a longstanding police training tradition that critics say ...

Scientists watching the nearby Fomalhaut star system have directly seen two protoplanets smash together for the first time. Then, they saw it happen again.

Current political and economic issues succinctly explained. Sign up to receive CFR President Mike Froman’s analysis on the most important foreign policy story of the week, delivered to your inbox ...

Learn how Vis Major, or "superior force," affects contracts and liability. Discover examples, coverage exceptions, and how it differs from foreseeable events.