Mr. William Smith

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Thanks to Time Dilation, Earth's Core Is Younger Than Its Surface

Time may seem like one of the most predictable, dependable measures we've got. But despite the reliable tick, tick, tick of your wristwatch, time …

Black Holes Radiate Jets of Light, and Scientists Now Know Why

Despite the name, black holes aren't strictly black. Those infinitely massive sinkholes in space actually shine pretty brightly, thanks to both a …

Rumors swirl that LIGO snagged gravitational waves from a neutron star collision

Telescopes seem to be following up on a potential gravitational wave sighting.

Scientists Finally Prove Strange Quantum Physics Idea Einstein Hated

The equations of physics are things that we humans created to understand the Universe, and it can be hard to disentangle them from the Universe’s …

Elon Musk: AI could trigger World War III

Tesla CEO doubles down on his fears of artificial intelligence, by suggesting it will cause the next World War<p>“I know not with what weapons World War …

How gravity waves got scientists to look at the universe in a whole new way

It was <b>reported last year that gravitational waves had finally been “seen”</b> — a development which scientists say ranks on a par with the discovery of …

The Great Man paradox

Over the years a fair number of the blog posts here have been fairly speculative, basically me thinking out loud about something that has recently …

Challenging accepted thinking is paramount to problem solving

One of the two scientists who took part in a series of landmark interwar debates on the philosophy of science is an icon. Albert Einstein is famous …

Scientists just discovered organisms that are distinct from any life forms known to science

New Life<p>On the tree of life, humans share a branch with a diverse array of creatures, all with one thing in common: a backbone. This single shared …

Using Particle Physics For Measurement Shows Just How Far Measurement Has Come

Measurement is literally the most basic tool science has, and yet it's fraught with more drama than daytime television. You've got most of the world …

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Groundbreaking Observation Confirms an Important Prediction of Quantum Physics

Particle accelerators have a lot of important jobs, like looking for new stuff by slamming beams of old stuff together. But a new particle …

Viewpoint: A Doubly Charming Particle

Author(s): Raúl A. BriceñoHigh-precision experiments at CERN find a new baryon containing two charm quarks.<br>[Physics 10, 100] Published Mon Sep 11, …

The conceptual evolution of mass and matter [excerpt]

From plants and animals to stars and galaxies, all material is made up of matter. But what <i>is</i> matter, exactly? In the following shortened excerpt from</i> …

Physicists Just Caught Sight of Electrons Entangled in a Completely New State

Quantum gets weirder, again.<p>Physicists have finally observed a quantum interaction between a group of four entangled electrons. Until now, this …

Quantum Physics

Why Indian Physicists Are Setting up a Tricky Experiment in an Active Uranium Mine

<i>R. Ramachandran is a science writer.</i><p>If you were to tell someone that some Indian particle physicists are planning to perform sensitive experiments …

Mystery of how first animals appeared on Earth 'solved' by scientists

New research has shed fresh light on how animals first appeared on the Earth.<p>It is a story spanning hundreds of millions of years, of entire mountain …

Earth Science

What Every Layperson Should Know About String Theory

It’s one of the most brilliant, controversial and unproven ideas in all of physics: string theory. At the heart of string theory is the thread of an idea that’s run through physics for centuries, that at some fundamental level, all the different forces, particles, interactions and manifestations of …

Having to move position so regularly means there is little stability, but there is something special about uncovering nuggets of universal truth about the cosmos<p>I’d wanted to be a physicist ever since I was a kid. Of course, back then I had no real idea what exactly a physicist did. What I did know …

Physics

States of Matter: Bose-Einstein Condensate

Of the five states matter can be in, the Bose-Einstein condensate is perhaps the most mysterious. Gases, liquids, solids and plasmas were all well …

Are Parallel Universes Real? Here Are Physicists' Leading Multiverse Theories

Right now there might be a whole other universe where instead of brown hair you have red hair, or a universe where you're a classical pianist, not an …

Physics Will Never Be Over

Whenever I meet someone new and tell them I’m a physicist, there’s a decent chance that they’ll ask me to explain string theory. I can’t manage much more than “It’s one possible way to combine General Relativity with the Standard Model” (which we know must be wrong). Those two theories are both …

Physics

Gravity waves from black holes verify Einstein’s prediction

<b>WASHINGTON</b> — Tremors in the cosmic fabric of space and time have finally been detected, opening a new avenue for exploring the universe.<p>The historic …

Did LIGO Detect Dark Matter?

It has often been said, including by me, that one of the most intriguing aspects of dark matter is that provides us with the best current evidence …

Gravitational waves will show the quantum nature of reality (Synopsis)

“If you are not completely confused by quantum mechanics, you do not understand it.” -John WheelerNow that LIGO has detected gravitational waves …

Why so many scientists are so ignorant

Science has enormous cachet and authority in our culture — for very understandable reasons! And that has led scientists (and non-scientists who claim …

General relativity caught in action around black hole

<b>GENEVA</b> — An effect of general relativity that is barely measurable on Earth has been spotted in full force around a black hole.<p>Physicists detected …

What Do We Know about the Newfound Planet Nine?

Most of us grew up <i>knowing</i> there were nine planets in our solar system. Now there are eight. In 2006 Pluto was reclassified (some might say “demoted”) …

Taming Superconductors With String Theory

The physicist Subir Sachdev borrows tools from string theory to understand the puzzling behavior of superconductors.<p>String theory was devised as a …