Matts Scripts - Digital photography progresses
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Who was Matt?
Sport (football and stuff)
(oh, I should probably mention my girlfriend too!)
|Current status||I was at Leeds university studying Computer Science (did you guess?). Presently I am very busy with university coursework/exams etc which unfortunately means that I cannot really afford the time (or money - internet access costs!) to update the site, but we'll see.|
Photographs through time and space
Photographers, historians and physicists are over the moon with the astronomical discovery of space photos which date back more than 100 years.
Holger Pedersen, a retired astronomer from Denmark, stumbled across some boxes when he was making a cup of tea in the basement of Copenhagen's Niels Bohr Institute. The seemingly unassuming cardboard boxes contained over 150 images recorded on glass plates. The earliest was dated to 1895, with the most recent coming from 1957.
The glass plates, which attached to and recorded scenes through a telescope, depict a range of celestial images, from stars, to comets, to Jupiter, and even a lunar eclipse which took place in 1896.
Perhaps the most important of all the images discovered is one which shows a solar eclipse in 1919. It was captured in Brazil by British astronomer Arthur Eddington. Its significance is due to the fact that it was used as evidence for the newly established Theory of Relativity, posited by Albert Einstein just four years earlier. The picture, when compared with older images of the same stars, demonstrates that the sun's gravity bent the light emitted from the stars.
Astronomers have noted how exquisite the pictures are, both in subject matter and quality. They believe the boxes hadn't been opened since the 1950s.
The delighted discoverer, Pedersen, is pursuing the opportunity to digitise the historical images in order to display them at the Natural History Museum of Denmark.
Such a rare and fortuitous find is exciting for experts, but not all landmark images are likely to be discovered by accident. In the case of the next photography breakthrough, you wouldn't be able to spot the incredible pictures, no matter how many boxes you searched through.
While the historical images of space depict the biggest objects imaginable, ETH Zurich University and Scrona have just completed work on photographs so tiny that a microscope is needed to view them. The pictures, created with quantum dots, are just half a hair's width, and completely invisible to the human eye.
The Swiss academics were awarded a Guinness World Record for the minuscule photo they printed as a demonstration. The brightly coloured image is of a clownfish swimming through an anemone, and measures just 0.0092mm in each direction. That's about the same as a single pixel.
Surprisingly, the printing process (3D NanoDrip) is very similar to a standard inkjet printer, but on a much smaller scale. Quantum dots are layered up using red, blue and green, to create an image which contains 25,000 dots in every inch. A quantum dot is a microscopic, light emitting particle, which can be resized to change the appearance of its hue.
While these micro-photos are unlikely to become household keepsakes framed on the wall, they do serve a useful purpose, and have already been used in televisions manufactured by LG, Sony and Samsung. They hold a lot of potential for digital technology, and will become the subject of much research in the future.
Read more MS