A Japanese inventor has developed the "world's smallest electric car" – an aluminium board with wheels that carries a passenger like a Segway and fits into a backpack (+ movie). More about Cocoa Motors' WalkCar transports passengers on a laptop-sized board
Graduate shows 2015: Royal College of Art graduates Begum and Bike Ayaskan have designed a plant pot with a complex origami form, which enables it to unfold and accommodate more space for roots over time. More about Begum and Bike Ayaskan's Growth plant pot expands with its occupant
Turner Prize-winning artist Jeremy Deller has created a new limited-edition banknote for the Brixton Pound, a currency that supports south London's local economy. More about Jeremy Deller designs special-edition note for Brixton Pound
Danish architecture studios BIG, Henning Larsen and Norm have hacked IKEA flat-pack kitchens for Danish company Reform (+ slideshow). More about IKEA kitchens hacked by Danish architects including BIG
New Zealanders are to get a chance to vote on a new flag for their country, which could replace its existing graphic featuring the Union Jack. More about New Zealand announces 40 potential new flag designs
Dezeen and MINI Frontiers: Royal College of Art graduate Frank Kolkman has built an open-source machine that could enable people to perform keyhole surgery on themselves using a Playstation controller (+ movie). More about Designer Frank Kolkman hacks 3D printer components to build DIY surgical robot
Graduate shows 2015: designer Erika Emerén created the shapes and patterns of the chair, lamp and rug in her graduate collection by playing with plasticine (+ slideshow). More about Erika Emerén designs furniture by scaling up plasticine models
Danish designer Simon Legald has added a two-seater sofa to his Era lounge collection for Normann Copenhagen, responding to market demand for smaller sofas (+ slideshow). More about Normann Copenhagen responds to small sofa trend with Era by Simon Legald
Music: tanks, helicopters and jets chase a group of people across a shifting landscape of colourful circles in this animated music video directed by London duo Bif for electronic artist Azel Phara (+ movie). More about Azel Phara's Green music video depicts a military chase using brightly coloured geometric shapes
Pomo summer: design collective Fontaine/Fortin/Labelle has blocked both ends of a lane in Quebec's Quartier Création with a Postmodern-influenced installation of colourful walls and geometric doorways (+ slideshow). More about Fontaine/Fortin/Labelle creates Pomo-inspired entrance to Quebec passageway
Dutch designer Daan Roosegaarde has launched a Kickstarter campaign to fund what he describes as the largest air-purifier in the world (+ movie). More about Daan Roosegaarde aims to rid cities of pollution with Smog Free Tower
Exclusive interview: jeweller Shaun Leane was one of fashion designer Alexander McQueen's closest friends and collaborators. As the sellout Savage Beauty exhibition closes at the V&A, Leane spoke to Dezeen about how the duo "tried to change people's perceptions of what jewellery and fashion should be". More about "Alexander McQueen changed fashion and I changed jewellery" says Shaun Leane
Rhode Island furniture company Greycork has created a collection of quick-assembly, flat-pack pieces that are intended "to be a better alternative to Ikea" (+ slideshow). More about Greycork challenges Ikea with a flat-pack living room in a box
Italian studio Henry&Co has used a material created by binding hay and grass to form the seat of this untreated beech wood stool. More about Henry&Co's Chayr features a seat made from hay and grass
Yves Behar's San Francisco studio Fuseproject has redesigned the set-top box, creating a matt black cube for French TV network Canal+ (+ movie). More about Yves Behar debuts cube-shaped set-top box for Canal+
Kenjiro Sano, who unveiled his logo design for the Tokyo 2020 Olympics last month, has denied allegations that he copied the design from an emblem for a Belgian theatre. More about Tokyo 2020 Olympics logo designer refutes plagiarism accusations
Graduate shows 2015: this device by Royal College of Art graduate Gemma Roper allows the user to stream music according to the pace and rhythm they want to listen to (+ movie). More about Gemma Roper's internet radio lets users select music by tempo
Pomo summer: as part of our summer series on Postmodernism, Dezeen invited architect and former FAT director Charles Holland to look at some of the movement's most iconic projects that didn't stand the test of time. More about Charles Holland presents 11 lost icons of Postmodern architecture
Japanese car brand Lexus has revealed its eagerly anticipated hoverboard, which uses magnetic fields to carry its rider without touching the ground (+ movie). More about Lexus unveils Back to the Future-style hoverboard
Pomo summer: Italian designer Alessandro Mendini's 1978 Proust armchair, one of the most iconic chairs of the last century and a precursor to Postmodern design, was put into production for the first time by furniture brand Magis. More about Magis creates Alessandro Mendini's Proust armchair in plastic