News Bitcoin is an experimental digital currency that has gained popularity worldwide

James Howells accidentally threw away a hard drive containing the cryptographic "private key" needed to access the digital currency

Sony's issues guide to PS4's "Blue Light of Death" error

Sony says these "isolated incidents [...] represent a very small percentage of total units shipped to consumers to date"

Why filling hard drives with helium can boost storage capacity by 50%

The latest innovation in hard drive technology has taken years to perfect but means quieter, more energy efficient hard drives that fit more data in the same space

'Digital downtime' means we spend more than five days each year waiting for computers to load

Slow PCs and laptops have entered the top seven list of our everyday annoyances

Elsener with the hugely popular knife: he served the family firm for 70 years before handing over to his son, Carl IV

Carl Elsener: Businessman who transformed the Swiss Army Knife into a global product

Starting as a teenage apprentice cutler, Carl Elsener went on to turn a relatively simple penknife into the global phenomenon that is the multi-functional Swiss Army Knife. He worked for the Swiss family firm Victorinox for 70 years, 57 of them as CEO, and retained the honorary, almost spiritual title "Senior Leader" until his death at the age of 90.

The Sound of One Hand Killing, By Teresa Solana

Teresa Solana is already known to us, as are her terrible twins, through two previous crime novels. Again translated by Peter Bush, The Sound of One Hand Killing is, however, the first in the series in which Solana and her twin Barcelona private eyes, Borja ("Pep") and Eduard Masdeu, actually meet on the page.

The device doesn’t do much that you couldn’t do by hooking your television up to an Android phone

A Week With: Android Mini 4.0

A smart-TV device you'd have to be an android to love

Elite: the old and the new

30 years on, game fans put up cash for sequel to Elite

Computer game flies again after Kickstarter crowdsourcing hit

Jessica's recipe bag: 'There were vegetables, there was cheese, there was meat, there was fish – there was even a lime for my gin and tonic. The cost? £69.'

On The Menu: Jessica's Recipe Bag; Joseph Joseph; Da Mhile whisky; Paxton and Whitfield; Coya restaurant

This week I've been eating... Jessica's Recipe Bag

The 10 Best tough gadgets

If you regularly wreck mobiles, need a watch that can take a kicking or fancy a water-proof MP3, check these out...

Coroner criticises MI6 investigation into spy Gareth Williams' death

MI6 and a senior detective were accused today of failing to disclose vital evidence in the death riddle of spy Gareth Williams.

Win a motion-activated outdoor security camera worth £119

When you're asleep or away from your house, do you worry about looking after your property? What are you doing to protect against vandalism, break-ins, or car and garden theft?

The latest of the Asterix films,starring Gérard Depardieu, left, could be destroyed in the dispute

Asterix and the big fight to save 36 French films

An unwelcome silence threatens the next film of the French actor, Jean Dujardin, whose silent movie, The Artist, is wowing audiences around the globe.

Intel warns of diluted profits as Thai floods hit its supplies

The computing giant Intel Corp has become the latest technology firm to warn its profits will take a hit because of the continued fallout from Thailand's autumn floods.

Market Report: Pace switched on by good news from US supplier

Punters were plugging back into Pace yesterday as the beleaguered set-top box maker – which has issued three profit warnings in a year – was finally on the receiving end of some good news.

The Misogynist, By Piers Paul Read

Over 30 years on from his 1979 bestseller A Married Man, Piers Paul Read revisits the mid-life crisis. Geoffrey Jomier is a retired barrister living in Hammersmith.

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Pompeii, Capri & the Bay of Naples
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Lake Garda
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Prices correct as of 15 May 2015
Seifeddine Rezgui: What motivated a shy student to kill 38 holidaymakers in Tunisia?

Making of a killer

What motivated a shy student to kill 38 holidaymakers in Tunisia?
UK Heatwave: Temperatures on the tube are going to exceed the legal limit for transporting cattle

Just when you thought your commute couldn't get any worse...

Heatwave will see temperatures on the Tube exceed legal limit for transporting cattle
Exclusive - The Real Stories of Migrant Britain: Swapping Bucharest for London

The Real Stories of Migrant Britain

Meet the man who swapped Romania for the UK in a bid to provide for his family, only to discover that the home he left behind wasn't quite what it seemed
Cheaper energy on the way, but it's not all sunshine and rainbows

Cheaper energy on the way, but it's not all sunshine and rainbows

Solar power will help bring down electricity prices over the next five years, according to a new report. But it’s cheap imports of ‘dirty power’ that will lower them the most
Katy Perry prevented from buying California convent for $14.5m after nuns sell to local businesswoman instead

No grace of God for Katy Perry as sisters act to stop her buying convent

Archdiocese sues nuns who turned down star’s $14.5m because they don’t approve of her
Ajmer: The ancient Indian metropolis chosen to be a 'smart city' where residents would just be happy to have power and running water

Residents just want water and power in a city chosen to be a ‘smart’ metropolis

The Indian Government has launched an ambitious plan to transform 100 of its crumbling cities
Michael Fassbender in 'Macbeth': The Scottish play on film, from Welles to Cheggers

Something wicked?

Films of Macbeth don’t always end well - just ask Orson Welles... and Keith Chegwin
10 best sun creams for body

10 best sun creams for body

Make sure you’re protected from head to toe in the heatwave
Wimbledon 2015: Nick Bollettieri - Milos Raonic has ability to get to the top but he must learn to handle pressure in big games

Nick Bollettieri's Wimbledon files

Milos Raonic has ability to get to the top but he must learn to handle pressure in big games
Women's World Cup 2015: How England's semi-final success could do wonders for both sexes

There is more than a shiny trophy to be won by England’s World Cup women

The success of the decidedly non-famous females wearing the Three Lions could do wonders for a ‘man’s game’ riddled with cynicism and greed
How to stop an asteroid hitting Earth: Would people co-operate to face down a global peril?

How to stop an asteroid hitting Earth

Would people cooperate to face a global peril?
Just one day to find €1.6bn: Greece edges nearer euro exit

One day to find €1.6bn

Greece is edging inexorably towards an exit from the euro
New 'Iron Man' augmented reality technology could help surgeons and firefighters, say scientists

'Iron Man' augmented reality technology could become reality

Holographic projections would provide extra information on objects in a person's visual field in real time
Sugary drinks 'are killing 184,000 adults around the world every year'

Sugary drinks are killing 184,000 adults around the world every year

The drinks that should be eliminated from people's diets
Pride of Place: Historians map out untold LGBT histories of locations throughout UK

Historians map out untold LGBT histories

Public are being asked to help improve the map