Hayden Gutteridge

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Here's How to Build a Real Lightsaber, According to Science

Just try not to lose an arm, okay?<p><i>This article was written by Gianluca Sarri from Queen's University Belfast, and was originally published by The</i> …

This Physicist Says Dark Matter May Have Killed Off The Dinosaurs

We can't see it or feel it. But as Lisa Randall says, dark matter may explain a lot about our universe--including the dinos' demise.<p>As every astronomy buff knows, dark matter is pretty elusive stuff.<p>We can't see it. We can't hear it or feel it, and we certainly can't smell or taste it. Even with …

Corals worldwide hit by bleaching

Warm ocean waters combine with El Niño to turn reefs a stark white.<p>From Hawaii to Papua New Guinea to the Maldives, coral reefs are bleaching — in so …

Bizarre Dark Energy Theory Gets Boost From New Measurements

New measurements of the expansion rate of the universe lend new support for the theory of dark energy that suggests a mysterious force is pulling the …

A Blood Test for Depression? Science Says It's Possible

As with any disease, detecting depression early is critical for reducing suffering and for finding an effective course of treatment. Now, in a study …

The Science of Sleep: Dreaming, Depression, and How REM Sleep Regulates Negative Emotions

For the past half-century, sleep researcher <b>Rosalind D. Cartwright</b> has produced some of the most compelling and influential work in the field, enlisting modern science in revising and expanding the theories of Jung and Freud about the role of sleep and dreams in our lives. In <b>The Twenty-four Hour</b> …

Grand experiences: top outdoor activities around the Grand Canyon

Many make the journey to Arizona solely for its whopping 277-mile-long chasm, the Grand Canyon, and we don’t blame them. This mile-deep formation carved by the Colorado River is one of the most spectacular things a person can see, but to neglect the rest of the state would be a monumental …

Lost cities: where to pretend you are Indiana Jones

Unearthing lost cities used to be the preserve of machete-wielding, Indiana Jones types, but advances in technology lie behind the most recent discoveries rather any derring-do in the jungle.<p>One of the most groundbreaking recent finds lay hidden in Honduras’ near-impenetrable La Moskitia rainforest …

The history of galaxies unravelled for the first time

Stephen Hawking explains how to (sort-of) escape a black hole

<i>This post has been corrected.</i><p>If you find yourself stuck inside a black hole, Stephen Hawking says not to panic: You may die, but all traces of your existence may not be lost forever.<p>Current science suggests that a black hole’s gravity is so strong that absolutely nothing—not even light—can escape …

Powerful phenomena are kicking stars out of our galaxy at speeds of over 1 million miles per hour

Stars are built with the lightest elements in the Universe, hydrogen and helium, but they contain an incomprehensible amount of mass. Our Sun is made of 2 x 10^30 kgs of stuff. That's a 2 followed by 30 zeros. That's 330,000 times more stuff than the Earth.<p>You would think it'd be a bit of challenge …

Stephen Hawking believes he knows how information escapes black holes

Stephen Hawking announced during a lecture at the KTH Royal Institute of Technology in Stockholm, Sweden on Tuesday that he has potentially solved the Information Paradox. The paradox a conflict between the quantum mechanics and general relativity models that has vexed physicists for more than four …

Stephen Hawking

Hubble sees a cosmic couple

Hubble

2015 August 23 - Giant Cluster Bends Breaks Images

<b>Giant Cluster Bends, Breaks Images</b> <b><br>Image Credit:</b> NASA, ESA, H. Lee & H. Ford (Johns Hopkins U.)<p><b>Explanation:</b> What are those strange blue objects? Many …

Cosmology

These 2 badass female Army Rangers just made history — here's the grueling training they endured

For the first time in military history, two women graduated from the excruciating 62-day Ranger School at Fort Benning on Friday.<p>Capt. Kristen Griest, 26, and 1st Lt. Shaye Haver, 25, were awarded the prestigious black and gold Ranger tab along with 94 of their male counterparts.<p>Ranger candidates …

'Ghost particles' from space found in South Pole ice

A neutrino observatory based in Antarctica has confirmed the detection of massless particles deep within the South Pole’s ice. They were created from …

This Is What The Center Of Our Galaxy Looks Like

Astronomers take an unprecedented, x-ray view of the black hole in the center of the Milky Way.<p>This new, unprecedented image of the Milky Way shows that our galaxy's core is a pretty tumultuous place.<p>The compiled image of photos taken by the European Space Agency's x-ray satellite XMM-Newton …

Special Forces, 75th Rangers Build ‘No Girls Allowed’ Club House

FORT BENNING, Ga. – The 75th Ranger Regiment has vacated its headquarters on Main Post Fort Benning and moved into a club house in the mountains near …

Seth Shostak: Life in the universe

If there's a first person to know about confirmed life elsewhere in the universe in the search for extraterrestrial intelligence (SETI), it's Seth …

1st women to pass U.S. Army Ranger School gain foothold for followers

The two women who will graduate Friday from the U.S. army's elite ranger school — the first females to successfully complete the notoriously …

Pulsar Proves Gravitational Constant is 'Rock-Solid'

Through extremely high precision measurements of a pulsar orbiting a white dwarf star, astronomers have found that the gravitational constant, which …

Physics

What is dark matter? - ExtremeTech

By on August 20, 2015 at 11:42 am<p>This site may earn affiliate commissions from the links on this page. Terms of use.<p>Physics is unique in the …

How to piss off an Alaskan

Preach to us about environmentalism.<p>This comes with a warning label. While we Alaskans care a great deal about our environment, we collectively …

George Clooney

The new biggest thing in the universe, and why it’s a headache for scientists

The biggest thing in the universe — sounds pretty straightforward, right?<p>Well, not exactly. We all love a good cosmological superlative — the hottest, the brightest, the most massive — but studying space is rarely that simple. In many cases, the "mosts" of the universe bend our theoretical …

Wormhole Created in Lab Makes Invisible Magnetic Field

Ripped from the pages of a sci-fi novel, physicists have crafted a wormhole that tunnels a magnetic field through space.<p>"This device can transmit the …