At well over twelve hundred pages, " Gravitation " (1973, ISBN 9780716703440) by Charles Misner , Kip Thorne and John Wheeler...

Here's another geometrical object that, if you believed basic school textbooks, should be impossible. You know how they taught you that...

It took mathematicians a while to realise that infinities came in different sizes. The problem was an inadequacy of language. All "in...

Progress in fundamental theoretical physics now seems to have been on hold for quite a while. I thought that the situation was summed up qu...

Skytopia have a great set of pages on the search for a 3D version of the Mandelbrot Set. Or at least, for an interesting 3D version of th...

When used as a pump, the Tesla turbine is one of the simplest devices that exists. Its main component is simply a spinning disc – the d...

In the story, an Emperor asks his mathematician to solve a difficult problem. In payment, the mathematician asks for a chessboard with one g...

Ten Things you can't do on an Apple iPad: Watch broadcast TV The iPad has nowhere to plug in a DVB TV tuner dongle , and even if if it...

This is the nice design that I used on page 2 of the book . Annoyingly, rather a lot of other people discovered it before me: it's ...

The "jitter" method (earlier post) can also be used for ultra-high-resolution photography . People want higher-resolution camer...

On the 10th of April 1912 , the RMS Titanic set out on her first passenger-carrying voyage. The Titanic (and her Olympic-class siste...

With Einstein's general theory of relativity , one of the theory's harshest critics was probably Einstein himself. This was partly a...

One of the dafter things they teach in physics classes is that because humans only have two ears, we can only hear location by comparing ...