How long does your brain take to buffer? And what’s that got to do with your big toe? If you get onto a bus anywhere in Tamil Nadu, be prepared for music. Private and state-run buses alike ...

How fast does time move? The answer depends on what you’re thinking. Time is fixed. A second is a second, there’s no question about it. Or so people thought. Then came Albert Einstein, with...

How fast does time go, exactly? The answer can depend on who you are. The screen flickers high and low, in bits and pieces. Some regions go dim for a while, only to brighten up again. The pi...

Light, sight, and why things may not be the same colours they look Did you know that the sky looks blue? You probably did, specially if you’ve seen it. But just because it looks blue doesn’t...

In your telephone-line, it enables eavesdropping. In your brain, it could be the mechanism behind metaphors. I was speaking to a friend on the phone the other day, when I suddenly heard the ...

There’s General Relativity and Special Relativity. And then, there’s the relativity we encounter every day. I’ve noticed that, when Einstein’s Theory of Relativity is discussed, it’s often d...