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BOULDER- Black holes, time travel and E= mc^2. They are all related to Albert Einstein's Theory of Relativity. How many of us, though, can actually explain any of it? This year, Einstein's theory ...

Scientists come up with theories to explain known phenomena of nature and predict future outcomes. A significant aspect of study of natural phenomena is the idea of force. Scientists study reaction of ...

In Interstellar, Miller’s planet orbits close to the black hole Gargantua, where gravity is so strong that time runs much ...

Brad DeLong, in the course of something completely different, suggests that the theory of relativity really isn't all that hard. At least, if your standard of comparison is quantum mechanics. He's ...

What is space-time? Depending on how fast you're moving or how close you are to Earth's gravity can change the way time feels. Einstein’s theory of general relativity views time similarly to width, ...

The two great pillars of modern physics are quantum mechanics and general relativity. These theories describe small-scale and large-scale phenomena, respectively. While quantum mechanics predicts the ...

Planets that orbit white dwarf stars should be too hot to host alien life, theories suggest. But a new study accounting for ...

In what is billed to be the largest scientific instrument ever built, scientists plan to use three spacecraft flying three million miles apart to fire laser beams at each other across the emptiness of ...

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