Architects love staircases, and this year we've seen all kinds – from smooth concrete curves and twisting corkscrews, to structures built from reclaimed wood and rusty steel. Dezeen's architecture editor Amy Frearson has selected 10 of the best. More about Dezeen's top 10 staircases of 2014
News: a company has been set up to work on and deliver Elon Musk's high-speed Hyperloop transport system, which uses magnets and fans to propel passenger capsules through a network of pipes. More about Elon Musk’s supersonic Hyperloop could be built "within the decade"
News: hackers could exploit wireless and internet-based technologies already being used in new car designs to take control of vehicles – creating the potential for a "terrorist-type threat". More about Connected cars face hacking threat thanks to wireless safety features
German design studio Fifti-fifti has created a simple clothing storage solution using a wooden beam mounted on brackets that look like springs. More about Fifti-fifti's Spring simplifies the wardrobe into a wall-mounted clothes rail
News: Michael Graves' seminal Portland Public Services Building will be spared from demolition, despite being described as a "white elephant" and requiring an estimated $95 million for renovation. More about Postmodern Portland Building will be saved, says architect Michael Graves
Solar panels provide all the energy needed to power this colourful brick dormitory designed by architect Louise Braverman to house medical staff at a rural village in Burundi. More about Solar-powered housing by Louise Braverman accommodates medical staff in an African village
German industrial designer Veronika Gombert has created a suspension light for illuminating parts of the room that aren't directly below the electricity point. More about Veronika Gombert's Umleiter lamp hangs offset from its ceiling rose
A Tel Aviv flat that was once the home of Israel's first prime minster has been renovated and extended by local firm Pitsou Kedem Architects to create a new basement level with industrial-style fittings (+ slideshow). More about David Ben-Gurion's former home renovated by Pitsou Kedem Architects