Enigma 1132: Phone back - From New Scientist #2288, 28th April 2001 The PIN code on George’s cash card is a semi-prime number, that is to say it is the product of two different prim...
Sunday, January 25, 2009
How to Photograph Orbs
To get orbs it helps to use a compact camera with its flash on.
Then go into a dusty atmosphere, or rain, or underwater, or a swarm of midges, or pollen - if you can't find them you can make your own:
The above was after shaking a dusty rug in the air.
The next are from water droplets sprayed into the air:
And maybe you can see the backscatter from flour here:
Update: It just started to rain so I got this: