Much of the cost was driven by the need to replace sensitive signal and communications equipment that was wrecked by salt corrosion from the flood.

WSJ: Downtown, Old Stop on Subway to Reopen

Exar, a semiconductor company, designs, develops and markets analog and mixed-signal integrated circuits for use in communications, video and imaging products.

FORBES: George Soros Reduces Exar Stake

Campaign group Railfuture said this was being done by central control and cutting the number of signal boxes, as well as improved communications and other measures.

BBC: Lines between London and the east needs faster trains

Barry Cheetham, senior lecturer in The School of Computer Science at the University of Manchester, is combining his academic expertise in communications, networks and digital signal processing with his love of choral singing.

CNN: Musicians aim to create virtual choir

Slowing down light may have many practical uses in communications, signal processing, television displays and night-vision devices.

BBC: A Bose-Einstein condensate: It slows down light

The Adaptive Wireless Engine, as it is called, is a device whose logic cells have been specifically designed to handle signal filtering, speech encoding, wireless communications protocols, and so on in other words, the sorts of things that mobile phones have to do.

ECONOMIST: Hardware goes soft

The company said the signal box at Swindon had blanked out and there was a loss of communications.

BBC: Signal failure halts Swindon train services