BBC News : A shift to a mobile communications technology could expose rail networks to hackers, according to a security expert.
http://www.bbc.co.uk/news/technology-16347248
This blog is used as an information store for students studying AQA GCE Electronics A Level. It is primarially intended for my students at the Melton Vale Post 16 Centre in Melton Mowbray, UK, however if any of this information is of use to you, you are welcome to it.
Thursday, 29 December 2011
Eye Controlled Computer
The eyeboard is an open source project that was built in order to help people with disabilities. His circuit detects the eye movements using the technology called "Electrooculography". Which consists in detecting the resting potential that exists between the retina and the cornea by using skin electrodes around the eyes.
Friday, 23 December 2011
£16 Computer Gets Close To Launch
BBC News : The eagerly anticipated Raspberry Pi home computer is about to go into production.
The $25 (£16) machine is being created in the hope that it will inspire a new generation of technology whizz kids.
The Pi uses an Arm chip similar to that found in mobile phones and is intended to run a version of the Linux open source operating system.
Test versions of finished devices are being checked and if all is well volume production will start in January.
http://www.bbc.co.uk/news/technology-16316439
Thursday, 22 December 2011
Self-healing electronic chip tests may aid space travel
BBC News : Self-repairing electronic chips are one step closer, according to a team of US researchers.
The group has created a circuit that heals itself when cracked thanks to the release of liquid metal which restores conductivity.
Wednesday, 21 December 2011
Sony's bio battery turns waste paper into electricity
BBC News : Sony has unveiled a paper-powered battery prototype in Japan. The technology generates electricity by turning shredded paper into sugar which in turn is used as fuel.
Wednesday, 14 December 2011
World's Simplest Motor
A motor made only by a copper wire and a neodymium magnet. It uses one AAA battery but it can be done with AA one too. It's a simple motor, but unfortunately is not an efficient one, the battery drains quickly and heats up.
Monday, 12 December 2011
Samsung flexible, transparent AMOLED display
Is this the future of mobile phones? A paper thin sheet?
Tuesday, 6 December 2011
Silicon rival MoS2 promises small, low-energy chips
BBC News : The first computer chip made out of a substance described as a "promising" alternative to silicon has been tested by researchers.
http://www.bbc.co.uk/news/technology-16034693
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