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Relativity Theory
There may be a fundamental reason why time travel, backwards, is impossible. We’ve all had the dream of traveling back in time. Whether there’s a wrong we want to right, […]
On September 27, 1972, scientists performed the first test of Bell’s inequality. God does play dice with the Universe, after all. One of the most puzzling and counterintuitive aspects of quantum […]
If our current laws of physics can’t predict what will happen, even probabilistically, we need something new. There are two theories we have that explain all the particles and their […]
In the search for fundamental truths in our Universe, one of the biggest questions, “are space and time continuous or discrete,” remains unanswered. Throughout the history of science, one of […]
Ever hear of Hawking radiation? Or the black hole information paradox? Time to get your fix! In memory of Stephen Hawking’s life, I’ve decided to share the physics behind his greatest […]
It’s so much more than mass-energy equivalence; it’s the key to unlocking the quantum Universe. For hundreds of years, there was an immutable law of physics that was never challenged: […]
If nothing can escape from beneath the event horizon, where do these phenomena come from? The most important feature of a black hole is that it has an event horizon: a […]
If you think we know it all, you’ll never be ready for the next big breakthrough. When you’re taught the scientific method, you think of a neat procedure you can […]
How the Universe’s expansion rate continues to baffle us. “In expanding the field of knowledge we but increase the horizon of ignorance.” –Henry Miller It’s the most fundamental law of special […]
Gravitational waves and electromagnetic ones don’t need to go together. But physics says it’s possible; what do the observations say? “The black holes collide in complete darkness. None of the […]
You might think that it should be all black, but then how would we see it? “It is conceptually interesting, if not astrophysically very important, to calculate the precise apparent shape […]
Sometimes, designing a careful experiment and measuring absolutely no effect can be the most important result of all. “It appears, from all that precedes, reasonably certain that if there be any […]
If Scotty beams you up for a trip around the Sun, here’s how to handle it. “I really didn’t have to work, shall we say, with Star Trek. It was a […]
If we left on New Years Day, how close could we get if we kept accelerating every second of every day? “The very closest stars would require many years to visit, […]
Not faster than 299,792,458 m/s, but faster than light moves through anything other than vacuum! “You are both fools. You cannot see thoughts, or angels. One is an abstract, the other […]
We see them change in wavelength, energy and in their electric and magnetic fields over time. So how do they experience it? “Everyone has his dream; I would like to […]
A correlation between normal matter and the observed rotation suggests that maybe dark matter isn’t a certainty, after all. “Nothing in the standard cosmological model predicts this, and it is almost […]
Or can moving at relativistic speeds through a general relativistic Universe change everything? “Old age is like a plane flying through a storm. Once you’re aboard, there’s nothing you can […]
The idea that there might only be one fundamental force might be a fundamental mistake. “Even if there is only one possible unified theory, it is just a set of […]