Djamel Ben

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Ask Ethan: What Does The Edge Of The Universe Look Like?

13.8 billion years ago, the Universe as we know it began with the hot Big Bang. Over that time, space itself has expanded, the matter has undergone gravitational attraction, and the result is the Universe we see today. But as vast as it all is, there’s a limit to what we can see. Beyond a certain …


NASA Wants to Launch a Giant Magnetic Field to Make Mars Habitable

So crazy, it just might work.<p>NASA scientists have proposed a bold plan that could give Mars its atmosphere back and make the Red Planet habitable for …


Why is the speed of light the speed of light? – Sidney Perkowitz

If you visit the Paris Observatory on the left bank of the Seine, you’ll see a plaque on its wall announcing that the speed of light was first …

A nude sculpture so small it's 'walking on hair' - CNN Style

Written by Matthew Ponsford, CNN<p>She could stand on a strand of human hair, with room to spare.<p>The microscopic polymer statue by South African sculptor Jonty Hurwitz, entitled <i>Trust</i>, measured just 1/100th of a centimeter and had been called the "smallest sculpture ever made."<p>But the world's tiniest …


Does The God Particle Decay Into Dark Matter?

The scientists who discovered the Higgs boson, the so-called God Particle, have set their sights on even bigger prey – dark matter.<p>The Atlas and CMS teams at Europe’s Large Hadron Collider (LHC) are investigating a hypothesis that the Higgs boson itself might decay into the mysterious particles …


Einstein's Theory of Relativity Explained (Infographic)

The theories of relativity by Albert Einstein revolutionized how the world thinks about space, time, mass, energy and gravity.<p>Prior to Einstein, the …

8 Ways You Can See Einstein's Theory of Relativity in Real Life

Photo Credit: Keystone/Hulton Archive/Getty<p>Slide 1 of 15<p>Profound implications<p>Relativity is one of the most famous scientific theories of the 20th …

Schrödinger's cat gets a reality check

It’s a century-old debate: what is the meaning of the wave function, the central object of quantum mechanics? Is Schrödinger’s cat <i>really</i> dead and …

Quantum Mechanics

This is a 10K Time-Lapse Video Created Using 80MP Still Photographs

Want to see what a 10K time-lapse video looks like? Look no further than the video above. Titled “10328×7760: A 10K Timelapse Demo,” it was created …

Time-lapse Photography

Here's why people are volunteering for a one-way trip to Mars

If you've heard about the Mars One mission, you've probably had one overriding question: what the <i>hell</i> would prompt someone to volunteer for a one-way trip to another planet? Thanks to <i>The Guardian</i>, we now have a clearer answer. The news outlet has just published <i>If I Die on Mars</i>, a documentary that …


The Irishman chasing a one-way ticket to Mars

Which Religions Are Prepared to Accept Life in Space?

Assuming we don't blow ourselves up before then, colonizing other planets may be the last hope for the survival of humanity. Most of the preparation …


How Do Cells Manage To Obey The Laws of Physics?

You know what's absolutely impossible? A system going from chaos to order. You know what cells do? Turn a chaotic universe into organized, channeled …


I just traveled to Mars with Microsoft’s HoloLens, and it was mind bending

<i>Microsoft HoloLens turned an office into the surface of Mars, but the tech left me more breathless than the Red Planet itself.</i><p>I crouched down to peer …

Augmented Reality

Interstellar (2014 movie): Why did every hour on the first planet take 7 years on Earth?

<b>TL;DR:</b> Being in a gravitational potential causes time to move slower relative to time being measured far away from anything.<p>This is called …

26 Pictures That Will Give You Perspective On What Really Matters

You decide.

19 Thrilling Trails Guaranteed to Make Your Heart Race

These 19 hikes will raise your heart rate, take you to perilous heights, or bring you to awe-inspiring destinations.

Mars warmer than parts of Canada, U.S.

Gale Crater reached high of -8 C, while most of Canada hovered in the -20s<p>The Mars Curiosity Rover had a warmer day on Mars yesterday than most …

Gunther Holtorf's 23 Year Road Trip

National Geographic Travel

APOD: Observatory, Mountains, Universe (2014 Dec 30) Image Credit & Copyright: Boris Dmitriev (Night Scape) Explanation: The awesomeness in this image comes in layers. The closest layer, in the foreground, contains the Peak Terskol Observatory located in the northern Caucasus Mountains of Russia. The white dome over the 2-meter telescope is clearly visible. The observatory is located on a shoulder of Mt. Elbrus, the highest mountain in Europe, with other peaks visible in a nearby background layer. Clouds are visible both in front of and behind the mountain peaks. The featured three-image composite panorama was taken in 2014 August. Far in the distance is the most distant layer: the stars and nebulas of the night sky, with the central band of the Milky Way rising on the image right. Starship Asterisk* • APOD Discussion Page #APOD