MIT’s Magic Bag Of Sand

It starts on a highway. The camera pushes in. And there, near the meridian line, you see a faint scattering of red lights. Something is […]

The Big Squeeze: Can Cities Save The Earth?

Let’s get dense. If we take all the atoms inside you, all roughly 70,000,000,000,000,000,000,000,000,000 of them, and squeeze away all the space inside, then, says […]

Falling Off The Moon

I didn’t remember this, but back in the early ’70s, Apollo astronauts had big-wheeled, golf-cart-like vehicle on the moon. They called it an “LRV,” or […]

Phooey On Flu

A lot of you have had it by now, or are having it or are about to be exposed. This year’s flu is called “H3N2″ […]

A Very, Very, Very Delicate Balance

His name, ironically, is Michael Grab. It should be Michael B. Careful. He is an artist, a balancer of rocks. How he did this, I […]

Double Thanks

I’m giving thanks in two ways today, first for things that have lasted, persisted (and here’s hoping they keep on going), and second — for […]