Siddharth Gupta

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Life In Our Solar System Could Survive Earth's Destruction

Billions of years from now, after the Sun has expanded into a red giant and obliterated Earth, new life could spring up in our Solar System.<p>The hunt for habitable worlds has often focused on systems like our own, with middle-aged stars supporting warm inner planets surrounded by frozen outer …

It Takes Just Four Minutes To Explain the Entire Universe

In need of a quick refresher course on, well, the science of pretty much everything? Here’s a cheeky, irreverent summation of the universe in just …

Physicists Collide Quasiparticles for the First Time

Femtosecond lasers offer a peek into a whole new quasiworld.<p>There are particles in nature that aren't quite particles but are nonetheless real and behave in ways that relate to the that we all know and love. These are the <i>quasiparticles</i>, which we can understand as different sorts of collective …

Physicists Just Discovered a Totally New Form of Light

Science, always keeping us on our toes.<p>Physicists have just discovered a new form of light that doesn't follow our existing rules of angular …

Scientists made see-through wood that's stronger than glass

Researchers at the University of Maryland were able pull away color and chemicals from a block of wood to leave it impressively see-through. The result is a material that is both stronger and more insulating than glass, with better biodegradability than plastic. "We were very surprised by how …

Could A New Type Of Supernova Eliminate Dark Energy?

Every once in a while, some Earth-shattering discoveries come along that forever change our view of the Universe. Back in the late 1990s, observations of distant supernovae made it clear that the Universe wasn’t only expanding, but that distant galaxies were actually speeding up as they moved away …

Supernovae

If photons have zero mass, why do they feel the effects of gravity? (Advanced)

<i>We know that black holes exert a gravitational force on the objects. How can a massless photon go into black hole and not escape from it? The</i> …

The theory of relativity

Einstein's General Theory of Relativity was published on May 11th, 1916.<p>The greatest name in physics since Isaac Newton devised two theories of …