Rowett
The Mephisto Spiral; a piece of spiral, actually two halves, which are threaded left and right handed; put together and it appears as though they're coming apart, or going together. When you...
1
annotations
Here's some puzzle boxes which have got some very advanced mechanisms inside to open them. It's a part of the world of mechanical puzzles which I think is a most attractive part of it....
1
annotations
Here's something bizarre I discovered in Santa Monica I think it was, a few years ago. They were called ear glasses. Ear glasses? What on earth can that be? Well the diagram on the box showed...
1
annotations
I'm trying to write with a glass pen made entirely of glass. It's a very old idea this, and the ink runs down the little fine veins here, and you have to keep dipping it in....
1
annotations
Here's a remarkable device that I came across in America a few years ago, and I'm so pleased to be able to have a sample to play with. It's called a True Mirror, and shows...
1
annotations
Here's a candle Stirling engine we've just acquired. It's a kit form which is unusual, I've got one or two in my collection but not a kit yet. So if we light the thing...
1
annotations
Now here's a juicy bit of science that I never came across myself when I was young. This is a way of converting heat into electricity but instantly - nothing in between. This little Peltier...
1
annotations
Every five years or so at these toy fairs I go to, I find something quite stunning which seems almost to break the laws of physics. This, which was shown in prototype just two years ago, has finally...
1
annotations
This is a nitinol motor. An idea I came across about 25 years ago and I haven't seen it since then. I'm very pleased to see that a German manufacturer, a man in a shed we think, is making it and it's...
1
annotations
I met a friend recently at a convention who's got very keen on the proportion the golden mean, which occurs so much in art. And he's had this special little device made in Japan where...
1
annotations
