Is it conserved? Destroyed? Radiated away? 40+ years on, we still don’t have answers. This article was contributed by Sabine Hossenfelder. Sabine is a theoretical physicist specialized in quantum gravity and […]
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All pointing toward the Standard Model plus General Relativity not being all there is. “The Universe is very, very big. It also loves a paradox. For example, it has some extremely […]
Astrophysicists have been looking for worlds like Proxima b since the 19th century. At last, they’re found! This article is contributed by Sabine Hossenfelder. Sabine is a theoretical physicist specialized in […]
We have every reason to believe gravity is an inherently quantum theory. Here’s how we’ll prove it once and for all! The following article was written by Dr. Sabine Hossenfelder. Sabine […]
In 30 million years, we’ll undergo star formation unlike anything else since before there were mammals on Earth. “Think about it this way — a boomerang goes out and comes back to you […]
Traveling to the future is possible, but the “back” part runs into trouble. Mr. Strickland: “I noticed your band is on the roster for the dance auditions after school today. […]
There were two periods of exponential expansion in the Universe: one today and one long ago. Are they related? “What is wild cannot be bought or sold, borrowed or copied. […]
How the discovery of the first Pentaquark is only the tip of the iceberg when it comes to new nuclear riches. “It was quite the most incredible event that has […]
According to relativity, there’s no universal frame of reference. But the Big Bang gave us one anyway. “The slow philosophy is not about doing everything in tortoise mode. It’s less […]
The best-kept secret in music festivals and the six great new bands I found. “Life is a festival only to the wise.” –Ralph Waldo Emerson Every weekend, I try to […]
Is it possible that our problems indicate a flaw in the theory of gravity? “I soon became convinced… that all the theorizing would be empty brain exercise and therefore a […]
A “speculative” theory no more; it’s had four of them confirmed. “Scientific ideas should be simple, explanatory, predictive. The inflationary multiverse as currently understood appears to have none of those […]
If String Theory has nothing to do with reality, what are our options? “I just think too many nice things have happened in string theory for it to be all […]
The Universe is full of surprises. These are the biggest, plus what they mean. “Surprise is the greatest gift which life can grant us.” –Boris Pasternak So it is in […]
We owe our origins to the stars. But it’s not the fast catastrophes that made us possible, but a slow, burning romance. “It took less than an hour to make […]
And how, if we manage to harness it on Earth, it could be the most accurate probe in all of scientific history. “We… are what happens when a primordial mixture […]
Despite widespread belief in the myth that sugar causes hyperactivity, scientists have known for more than two decades that the link is all in the mind.
How an experiment high above Antarctica — Spider — sheds new light on the cosmic microwave background. Observations of the cosmic microwave background continue to capture public attention, highlighted these last few weeks in […]
The nature of our Universe defies our intuition. That just might be the greatest thing of all. “I asked the Zebra,are you black with white stripes?Or white with black stripes?And […]
What it means if there’s no life anywhere else in the Universe, and what we know so far. “Men occasionally stumble over the truth, but most of them pick themselves […]
How new developments in measuring the highest-energy particles and earliest signals from the Universe are teaching us what all this is. Big questions in the field of Cosmology are often […]
If you’ve been wondering what B-mode polarization is, or how it tells us about gravitational waves from inflation, wonder no more! In part 1 of this story we talked about […]
What the “independent tests” really teach us, if we’re willing to look carefully. Image credit: cold fusion hoax by Juan-Louis Naudin, 2003. “There’s a mark born every minute, and one […]
How the Cosmic Microwave Background — the Big Bang’s leftover radiation glow — continues to shed light on the birth of our Universe. Image credit: ESA and the Planck Collaboration. The announcement of the […]
It might not sound impressive, but the physics behind it — and the power of its applications — are literally world-changing. Image credit: Orphek LEDs, via http://orphek.com/about/aquarium-led-lighting/. “Everyone must leave something behind when he […]
The scariest of all possible fates results in the ultimate destruction of everything that ever was or will be. Image credit: Boren-Simon 2.8–8 ED POWERNEWT Astrograph Image Gallery. “Why do […]
The fastest way to make interstellar travel a reality might not be only science fiction for long! It is humanity’s longstanding dream to venture to the stars. We long to […]
We’ve learned more about comets than ever before thanks to it. But we would’ve learned a lot more, if not for one unfounded fear. “Every dreamer knows that it is […]
Is there a way to see past the barrier the Universe puts up before it became transparent to light? Image credit: Mark Kamionkowski, of gravitational waves. “From earliest times, humans — explorers […]
With all the matter-and-energy so close together and so dense at the moment of the Big Bang, why didn’t it recollapse? Image credit: Mark A. Garlick / University of Warwick. […]