Old kitchen, bathroom and laundry equipment made up 60% of the 41.8 million tonnes of electronic waste thrown away in 2014, suggests a report.
Facebook boss Mark Zuckerberg defends the aims of his free Internet.org service after several Indian firms pull out of the project.
A camera powered by the light it uses to take pictures has been invented by American scientists.
Schools in Los Angeles seek refunds from Apple and others over a $1.3bn (£870m) iPad-based education project that has gone awry.
Scientists are developing smartphone-connected waders that fly-fishing enthusiasts could wear to help them find their catch, but also to collect key data about water properties.
Wikileaks has published hundreds of thousands of emails and documents from a cyber-attack on Sony Pictures Entertainment last year.
The US Navy is developing unmanned aerial vehicles (UAVs), or drones, that can be launched from a cannon and "swarm" in a co-ordinated attack.
A high-tech study to see whether underground freight deliveries could become reality in the UK is to be carried out in Northampton.
A group of Indian technology and internet firms pull out of Facebook's Internet.org initiative, fearing it threatens "net neutrality".
Boeing has shown off its 'space bins' that can hold 50% more luggage than existing designs.
The social network has updated its community guidelines with details on nudity and abuse.
The number of drivers given penalty points for using mobile phones at the wheel fell by 24% last year in England and Wales, police figures suggest.
Plans for a Doctor Who movie and George Clooney's email address are among the details posted on WikiLeaks, following last year's cyber-attack on Sony Pictures.
Star Wars fans are given a first glimpse of Han Solo in the new trailer for The Force Awakens - the first film in the new series of the sci-fi franchise.
The tech which could help to unlock the secrets of the hive.
Scientists from the University of California, Berkeley are using crowdsourcing to locate edible weeds in urban areas.
San Francisco start-up Endless is on course to reach its $100,000 crowdfunding target for its budget desktop PC.
Kate Russell has a novel way to keep your appliance cables neat and tidy.
BBC Click's LJ Rich looks at some of the best of the week's technology news
European Union competition commissioner Margrethe Vestager has announced that a complaint has been filed against Google over its alleged anti-competitive behaviour.
Wales can have a great future in the technology sector but it has to attract more women, says a top industry figure.
Students have created a vibrating pen designed to help patients with Parkinson's disease.
Teams from around the world have been competing in the Drones for Good competition held in Dubai
A team of architects in London has developed a way of creating skyscrapers that cast no shadow, using the latest computer design software.
Can big data reveal the mood of the electorate?
Will Moore's Law last another 50 years?
Why is Bing gaining on Google in the US?
Can Etsy keep its soul after going public?
The start-ups that want your electronic junk
The EU's case against the search giant