A Google-backed London start-up that teaches primary school children computer coding is expanding overseas after being flooded with requests to set up spin-offs across the world.

In reaction to the news that rival Intel would be supplying the processors for Samsung's new Galaxy tablets shares in the Cambridge-based chip-designers ARM Holdings fell by more than 7 per cent yesterday, temporarily knocking £1bn of the group's £13.6bn market capitalisation,.

Intel have released details of their new Haswell CPUs - the latest generation of their Core range – emphasing the chip’s low power consumption, rather than its more minimal increases in processing power.

New York prosecutors have reportedly ordered Barclays to hand over records relating to the growing Liberty Reserve scandal.

Singapore police who examined the scene of an American’s death admitted on the last day of a coroner’s inquest that they deviated from official protocols by not dusting for fingerprints or collecting DNA samples, and by examining the contents of a laptop computer on the spot.

Speculation that Apple, Google and others are developing smartphone-style watches with the ability to make calls and show video was fuelled as Britain's biggest computer chip maker said clients are working on the technology.

The leader of the company that designs microchips to power Apple iPhones and Samsung’s Galaxy handset is stepping down after 12 years in the job.

News out of Las Vegas doesn't usually rock the benchmark index in London, but its annual Consumer Electronics Show this week has been perking up Arm Holdings' share price, it would seem. The microchip designer was top of the tree and its share price put on more than 4 per cent today, closing up 36.5p to 863.5p following a stream of updates this week, which included a new licensing agreement with Broadcom.

Stanford Ovshinsky was a self-taught inventor whose innovations have been incorporated into many hi-tech developments, from flat-screen televisions to laptop computers, He devised the term "ovonics", combining his own name and "electronics," to describe the technology behind the development of what he called "non-depletable, non-polluting energy sources." His aim was to reduce the world's dependence on fossil fuels with solar power and hydrogen. In 1999, Time included Ovshinsky among its "Heroes for the Planet."

Arm Holdings has sounded a note of caution about electronic goods sales this Christmas, overshadowing a better-than-expected second-quarter where its technology, already dominant in mobile phones and tablets, was licensed for use in more new products.

Imagination Technologies, which designs the chips that power Apple's iPad2 computer, believes that the number of devices containing its kit will surge to one billion a year before 2016.

Our view: Buy

Advanced Micro Devices, the microchip maker, declared last night that it wanted a chief executive able to produce "significant growth, establish market leadership and generate superior financial returns" – and announced the resignation of the current boss, Dirk Meyer.

My grandmother had one and so, possibly did yours. The Roberts transistor radio, with its leather case, was the classic radio of the Sixties. Designed by Leslie Bidmead, who went into a business partnership with Harry Roberts in 1932, the RT1 was, according to company lore, probably based on the shape of Bidmead's handbag.