Satwik Srivastava

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9 physics concepts every time travel enthusiast should master

Ask a child how to travel through time and you'll get a simple answer: Use a time machine.<p>Ask a physicist, and suddenly you'll start hearing …

Martian labyrinth

This block of martian terrain, etched with an intricate pattern of landslides and wind-blown dunes, is a small segment of a vast labyrinth of …

Bringing time and space together for universal symmetry

New research from Griffith University’s Centre for Quantum Dynamics is broadening perspectives on time and space.<p>In a paper published in the …

NASA has figured out how Mars was stripped clean of water

What happened to Mars’ atmosphere? NASA thinks it knows.<p>Around 3.7 to 4.2 billion years ago, the red planet’s atmosphere was the same size or bigger than the Earth’s, but today it’s about 100 times thinner than on our planet. The answer, it turns out, is blowing in the wind.<p>Solar winds, to be …

Particles

Five myths about gravitational waves

The scientists behind the BICEP2 (Background Imaging of Cosmic Extragalactic Polarization) telescope, last year made an extraordinary claim that they …

Scientists ‘squeeze’ light one particle at a time

A team of scientists has successfully measured particles of light being “squeezed”, in an experiment that had been written off in physics textbooks …

What is it like to have never felt an emotion?

Some people seem to lack the capacity to feel joy, sorrow or love. David Robson discovers the challenges and surprising advantages of “alexithymia”.<p>Caleb is telling me about the birth of his son, now eight months old. “You know you hear parents say that the first time they looked at their kid, they …

MH370 May Have Landed, Not Crashed, on the Ocean

The state of the found flaperon could indicate the missing plane landed in one piece before sinking.<p><b>Want to read more about MH370?</b><p><b>We Asked an Expert How the Debris Found on Reunion Island Might Help Locate MH370</b><p><b>The Search For Glory and Also MH370</b><p><b>How it May Have Felt to be on Flight MH370</b><p>Since …

A Zen Master Explains Death and the Life-Force to a Child and Outlines the Three Essential Principles of Zen Mind

“Zen practice … requires great faith, great courage, and great questioning.”<p>If death is so enormous a mystery that we remain unable to wrap our grownup minds around it, despite comfort from our great poets and consolation from our great philosophers, how are tiny humans to make sense of it all? …

Meditation

Some first results from the new, higher-energy Large Hadron Collider

On 3 June this year, the Large Hadron Collider at CERN began delivering particle collisions at an energy 63% higher than previously achieved. This week in Vienna, first physics results were presented. Here are some highlights<p>The European Physical Society High Energy Physics conference is taking …

How Do Fireflies Glow? Mystery Solved After 60 Years

Weird & Wild<p>Scientists have sussed out the chemical secret of these bright summertime beetles—and it may someday improve human health, a new study says.<p>Think of the firefly abdomen like a black box of bioluminescence.<p>For around 60 years, scientists have known what basic ingredients go into the …

This is What Photographers Need to Know About Basic Filter Types And Their Uses

Filters have been around since the beginning of photography. Most of them were used in film and analogue photography because different materials have …