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Images Dated 4th March 2005

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

Choose from 667 pictures in our Images Dated 4th March 2005 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.


Canis Major constellation Featured 4 Mar 2005 Print

Canis Major constellation

Canis Major constellation. Optical image of the constellation Canis Major, the great dog. North is at top. At upper right is Sirius (Alpha Canis Majoris), the brightest star in the sky. It is a white star which lies only 8.6 light years from Earth. At bottom right is the second brightest star in the sky, Canopus (Alpha Carinae), in the constellation Carina, the keel. Canopus lies around 72 light years from Earth. To the left of Canis Major and Carina is the faint constellation Puppis, the poop deck. The Milky Way is seen running from top right to bottom left. This band of light is formed from the millions of stars in the plane of our galaxy

© ECKHARD SLAWIK/SCIENCE PHOTO LIBRARY

Material used in intelligent label chips Featured 4 Mar 2005 Print

Material used in intelligent label chips

Intelligent label chips. Technician holding plastic polymers used in radio frequency identification (RFID) chips. RFID chips could soon replace barcodes. They consist of a plastic circuit printed onto foil and antennae for receiving and transmitting radio waves. Plastic chips are being developed because they are cheaper to manufacture than silicone chips. However, at the moment they are also slower and store less data. While barcodes can only store price, these chips could be incorporated into packaging to give expiry dates and other information. They could also be used in the supply chain to track products and as security devices

© VOLKER STEGER/SCIENCE PHOTO LIBRARY

Capacitors Featured 4 Mar 2005 Print

Capacitors

Capacitors. Assortment of capacitors of different sizes, shapes and magnitudes. Capacitors are used to store electric charge. They consist of two metal plates separated by a dielectric (non conducting, separating material). When connected to an electric current one plate receives electrons from the current, the other plate loses electrons to the current. This will happen until the charge on the plates is in equilibrium with the potential difference in the circuit, and current stops flowing. If the source of the potential difference (ie. a battery) is removed, then the capacitor will discharge through the circuit in the opposite direction

© ANDREW LAMBERT PHOTOGRAPHY/SCIENCE PHOTO LIBRARY