Sanket Partani

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Pangolins: why this cute prehistoric mammal is facing extinction

The pangolin’s body armour protects it from all known predators – except man. Martin Fletcher travels to Vietnam, where the unique animal is being eaten to extinction<p>A what? A pangolin. It’s the only mammal in the world that is completely covered in scales. It looks like an artichoke on legs. Or a …

This Is Why Various Engine Types Sound So Different – Feature

From the January 2015 issue of <b>Car and Driver</b><p>What separates a Porsche flat-six from a Toyota Avalon V-6—aside from the bank angle, the power output, the engine location, and your interest in owning one? At full throttle, the Porsche belts out an aggressive mechanical rasp while the Avalon mutters a …

Toyota

The quest for a reactionless spacecraft thruster

<i>The torsion balance is contained in an evacuated lucite cylinder. The hardwood frame is leveled and stabilized with lead weights (gray bricks, in the</i> …

Now You See Them: 'Magic Islands' Appear on Saturn's Moon Titan

Cassini spacecraft finds surprises on the moon's largest sea.<p>TUCSON, Arizona—Two new "magic islands" have joined one reported last year on Saturn's giant moon Titan, Cassini spacecraft observations showed on Monday. The features add to a puzzling vanishing act playing out on the frozen world's seas.<p>…

Astronomy

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Black Hole Challenge To Einstein's Theory

Structural changes to the Milky Way’s super-massive black hole have been detected as it emitted a blaze of electromagnetic energy, an observation that could lead to a profound rethinking of physics.<p>The images of the singularity at the core of our galaxy (called Sagittarius A*, abbreviated SgrA* and …

Technology explained: Rear-axle steering

07 Nov<p>News<br>• |<br>• Josh Barnett<br>• |<p>Porsche first experimented with passive steering of the rear wheels on the 928, developing the clever toe-compensation …

Electrical Engineering

We Might Totally Misunderstand Galaxies, NASA Experiment Finds

The dark spaces in between the massive but often far-flung galaxies of the universe are not as dark as they seem, and that has scientists redefining what a galaxy actually is.<p>An experiment involving NASA sounding rockets has detected an unexpected amount of infrared light in those dark spaces, …

Interstellar: the truth about wormholes

Christopher Nolan's new film, Interstellar, sees astronauts leaping across galaxies via a 'wormhole'. Could it one day be possible?<p>The universe wasn't designed to make life easy for science-fiction writers. Nowhere is this more obvious than if you are trying to write a grand space opera.<p>You know …

Physics

Mystery of Earth's Water Origin Solved

Instead of arriving later by comet impact, Earth's waters have likely existed since our planet's birth.<p>The water that makes Earth a majestic blue marble was here from the time of our planet's birth, according to a new study of ancient meteorites, scientists reported Thursday.<p>Where do the oceans …

Astronomy

3 Factors to Think About When Composing Your Photos

The way you frame a photo is an important part of the composition. There are several key decisions to make when composing your photos: What to …

Digital Photography