During a presidential debate, a little old lady, her grey hair in a bun, asks, “Name the three most important Space Race countries”. Sleepy-creepy Jo Biden, from his basement and with the benefit of voice [more…]
A Simple Dual Beam Setup We’ve got our film, developer and a safety lamp. Now we need a holographic camera. Well, not exactly a camera. You can’t take a picture of rolling hills or a [more…]
A Holographic Camera Standard photography uses a lens system to focus an image onto a film or an electronic sensor. If you recall from part one, Dennis Gabor had a problem with his electron microscope’s [more…]
Introduction To the Looking-Glass world it was Alice that said, “I’ve a sceptre in hand, I’ve a crown on my head. Let the Looking-Glass creatures, whatever they be Come dine with the Red Queen, the [more…]
It was whilst approaching a junction where the options are to turn left or go straight ahead – I was going straight ahead – that I had to move slightly to the right as there [more…]
Remember old Aesop and his Fables? There’s one about the boy who was set to guard the sheep and as he was bored, he called the alarm to liven things up a bit. Eventually the [more…]
Idly browsing the Interweb the other day, I came across this BBC article on the terrible outlook for the ice sheet around the North Pole: Arctic Summers to be ice-free by 2013. Well worth a [more…]
Above photo: My ruby laser with a ‘mirror alignment laser’ just off to the right hand side of the photo. A small amount of smoke in the air makes the alignment laser-beam visible. In the [more…]
In previous parts we have covered the basics of Newtonian mechanics, there is a lot more here but the basics provide enough to at least start to use this sort of stuff. So lets have [more…]
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