iPhone 6: leaked photos show possible design

Apple developer software also indicates larger iPhone 6 could have higher resolution to fit more on screen

Fashion meets renewable energy – clothes that charge your smartphone

From fibres that convert sunlight into electrical energy, to uploading your kinetic energy to a green energy bank, the worlds of fashion and technology are merging

• How can technology advance sustainability in fashion? – live online chat on Tuesday 5 August, 1pm BST

Bang & Olufsen’s latest high-end TV turns to face its audience

High-design BeoVision Avant has a sleek, adaptable exterior and bucks the trend for tinny sound with its powerful speakers

Why I love my Leica

From Henri Cartier-Bresson to Annie Leibovitz, many of the 20th century’s most defining images were shot on a Leica. Our technology columnist, a lifelong fan, tells the story of the camera that almost died and was triumphantly reborn in the digital age

100 years of the Leica camera – in pictures

Five things we learned about fashion, technology and sustainability

In a recent live chat, experts took questions on the marriage of technology and fashion and the implications for sustainability

Dyson Cool AM06 review: is this the world’s most luxurious desk fan?

Arguably the best desk fan on the market, Dyson’s newest innovation is ambitious, powerful and very beautiful – but comes with a hefty price tag