Theory of Relativity

Shtetl-Optimized » Blog Archive » Is “information is physical” contentful?

“Information is physical.”<p>This slogan seems to have originated around 1991 with Rolf Landauer. It’s ricocheted around quantum information for the …

Quantum Mechanics

We're Sending Another Probe to Mercury to Work Out Why The Planet's Shrinking

Mercury Shrinking<p>The European Space Agency (ESA) and Japan Aerospace Exploration Agency (JAXA) have unveiled the probe they’re sending to study …

Space Exploration

Was Our Universe Born In Chaos?

One of the longstanding questions in cosmology involves whether or not the universe has always been roughly similar in all directions—what cosmologists call “isotropic.” Today, on the largest scales, the Universe appears very similar in all directions, with the same average properties. But was this …

Space Science

The cosmic dance of three dead stars could break relativity

Imagine you’re an astronomer with bright ideas about the hidden laws of the cosmos. Like any good scientist, you craft an experiment to test your …

Physics

Is Dark Energy Just An Illusion, As Is Often Suggested?

A renewed suggestion that dark energy may not be real — dispensing with 70% of the stuff in the universe — has reignited a longstanding debate.<p>Dark …

Space Science

Relativity Space CEO provides Congress with a teaser for his stealthy rocket venture

The hush-hush space startup Relativity Space is still in stealth mode, but CEO and co-founder Tim Ellis lifted the veil just a bit on the company’s …

Exploration

Witness gravity’s quantum side in the lab

Physicists should rethink interference experiments to reveal whether or not general relativity follows classical theory, argue Chiara Marletto and …

Physics

How Einstein's theory of gravitation experienced a Renaissance after World War II

Journey into the post-war transformation leading to the return of General Relativity within physics<p>New York | Heidelberg, 12 July 2017 - Einstein's …

Physics

Empyre: Lords of the Sea Gates turns New York into a Neo-Victorian Waterworld

Empyre: Lords of the Sea Gates doesn’t star Kevin Costner, but it is set in a Neo-Victorian New York that’s under water from rising sea levels. It’s Coin Operated Games’ debut, and it launches this fall on Steam’s PC gaming store.<p>Set in the 1910s, the game takes its aesthetic cues from the …

Gaming

Einstein's Riddle

This is Einstein's riddle: There are five houses of different colors next to each other on the same road. In each house lives a man of a different …

Albert Einstein

This Video Presents an Abstract Reflection on Our Modern Cities of Glass

In this visual essay, Greek filmmaker Yiannis Biliris documents the all-pervasive pall of glass that covers the modern city. The …

Albert Einstein

KQED

When Kelly Barrales-Saylor was a new mom, she got a lot of children’s books as gifts. Most were simple books about shapes, colors and letters. There …

Boston

Diary: Did Einstein’s cat come up with the theory of relativity?

For centuries, theatre has been tackling some of man’s biggest questions and now, in an age of political and social uncertainty, surely

Albert Einstein

When Does Your Intelligence Peak?

My PhD supervisor, a brilliant and inspiring man, used to jokingly tell me that he had passed his prime and that it was up to me to make the …

Albert Einstein

How A Solar Eclipse First Proved Einstein Right

Albert Einstein’s general theory of relativity is our most successful, most sophisticated theory of gravity of all-time. Explaining everything from GPS signals to gravitational redshift, from gravitational lensing to merging black holes, and from the timing of pulsars to the orbit of Mercury, the …

Physics

Scientists Predict Stars Weight Using Einstein’s Theory of General Relativity

Astronomers at the Space Telescope Science Institute have come up with a new way of calculating the mass of distant stars. Using observations from …

Physics

Can we ditch dark energy by better understanding general relativity?

The idea of dark energy is as old as general relativity itself. Albert Einstein included it when he first applied relativity to cosmology exactly 100 …

Physics

Can faster-than-light particles explain dark matter, dark energy, and the Big Bang?

Here are six big questions about our universe that current physics can’t answer:<p>What is dark energy, the mysterious energy that appears to be …

Space Science

How quantum trickery can scramble cause and effect

Logic-defying experiments in quantum causality can twist the notion of time itself.<p>Albert Einstein is heading out for his daily stroll and has to …

Quantum Mechanics

Why Being a “Pro” Photographer is Overrated.

In photography, Apple devices, and more– we all want to be “Pro.” But what if it wasn’t desirable to be a “Pro” and it was better to be an “Amateur” …

Photography

Einstein letters up for auction

Letters penned by Albert Einstein in which he discusses everything from the breakdown of his marriage to general relativity are going under the …

Albert Einstein

AI Weekly: $102 million and machine learning’s theory of general relativity

What’s $102 million among friends? That was the question last week as Element.ai raised this hefty sum in a Series A funding. Investors included Microsoft, Nvidia, and Intel Capital, all of whom have their own AI ambitions.<p>Element aims to make AI easy for businesses to use by connecting them with …

Artificial Intelligence

Europe okays project to seek alien life

Europe has approved the launch of a deep-space observatory to sniff out habitable planets in other star systems, along with any life forms they may …

Physics

New Calculation Could Spell Trouble For a Popular Theory of the Universe's Origin

The universe began. But what did it begin from? What did it begin into? We know it began by expanding rather quickly, and ended up with lots of big …

Space Science

NatGeo axes ‘Genius’ season 2 subject reveal from Season 1 finale

The National Geographic cable channel has a major Emmy player this year with “Genius,” a 10-part limited series that chronicles the life of <b>Albert</b> …

TV

Capturing the Total Solar Eclipse, One Photo at a Time - Citizen Science Salon

By Guest | June 21, 2017 9:00 am<p><i>By:</i> <i>Alexei V. Filippenko and Hugh Hudson</i><p>Diagram of a solar eclipse. Credit: Google<p>On August 21, 2017, a total solar …

Astronomy

Good Vibrations: The Role Of Music In Einstein’s Thinking

As we marvel at science’s latest extraordinary breakthrough, it’s also an opportunity to ponder what kind of thinker Albert Einstein was.<p>Born two …

Albert Einstein

New Calculation Could Spell Trouble For A Popular Theory Of The Universe's Origin

The universe began. But what did it begin from? What did it begin into? We know it began by expanding rather quickly, and ended up with a lot of big …

Space Science

The forgotten genius who theorized black holes more than 230 years ago

Black holes are not made up of matter, although they have a large mass. This explains why it has not yet been possible to observe them directly, but …

Physics

More Proof that Einstein’s General Theory of Relativity is Correct

Although Albert Einstein predicted a long tome ago that whenever light from a distant star passed a closer object gravity would act as a magnifier, …

Physics