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Images Dated 28th April 2004

Available as Framed Photos, Photos, Wall Art and Gift Items

Choose from 94 pictures in our Images Dated 28th April 2004 collection for your Wall Art or Photo Gift. Popular choices include Framed Photos, Canvas Prints, Posters and Jigsaw Puzzles. All professionally made for quick delivery.


PHOTO TAKEN 20APR04- A road sign near Uluru (Ayers Rock), about 350 kilometres (220 Featured 28 Apr 2004 Print

PHOTO TAKEN 20APR04- A road sign near Uluru (Ayers Rock), about 350 kilometres (220

-PHOTO TAKEN 20APR04- A road sign near Uluru (Ayers Rock), about 350 kilometres (220 miles) south west of the central Australian town of [Alice Springs] warns drivers of the dangers of kangaroos crossing the road April 20, 2004. 40 years ago Uluru, which belongs to the Anangu Aboriginal people, was visited by around 1,000 tourists annually. Since then it has become one of Australia's major tourist destinations, attracting 400,000 visitors every year. - PBEAHUOJKBM

Mass spectrometry Featured 28 Apr 2004 Print

Mass spectrometry

MODEL RELEASED. Mass spectrometry. Physicist in front of a time of flight secondary ion mass spectrometer (TOF SIMS). The TOF SIMS is used to analyse the surface of a sample. A pulsed ion beam is used to remove molecules from the sample's surface. These molecules are then ionised and accelerated towards a detector. The time it takes them to reach the detector depends on their mass. The advantage of this system is that macromolecules (such as polymers or proteins) are not disintegrated by the beam. TOF SIMS is used in coatings research, microelectronics and surface contamination studies

© TEK IMAGE/SCIENCE PHOTO LIBRARY

false col SEM of amosite fibres Featured 28 Apr 2004 Print

false col SEM of amosite fibres

False-colour scanning electron micrograph of fibres of amosite, a type of asbestos. All asbestos varieties are silicates (amphibole minerals), the most common being crocidolite, amosite and chrysotile. Asbestos fibres can be compressed, felted or woven to make insulating boards, paper and shingles. It is widely used in the construction industry because of its fireproof and insulating properties, while its resistance to corrosion makes it attractive to the chemical and process industries. If the smaller fibres are inhaled in quantity they lodge in the lung causing the respiratory disease asbestosis. Magnification: x100 at 6x7cm size

© DR JEREMY BURGESS/SCIENCE PHOTO LIBRARY