In this Dezeen movie, jury members discuss the winners of the Samsung Mobile Design Competition wallpaper category, which were revealed last month at the Samsung Developer Conference in San Jose, California. More about Competition-winning mobile wallpaper designs showcased at Samsung Developer Conference 2019
Product-design engineer Dougie Mann has created a keyboard that, when hooked up to a smartphone via a custom case, can help amputees and people with sight loss type more easily. More about TypeCase keyboard simplifies texting for people with visual or motor impairments
London studio Seymourpowell has designed concepts for a wearable collar and chaise longue powered by AI, which use atomised cosmetic products to protect city-dwellers from harmful pollutants. More about Seymourpowell's Atmosphère devices diffuse cosmetics at the user
Kazakhstani designer Enis Akiev has developed a method for turning single-use plastic packaging into tiles, by emulating the organic process of rock formation. More about Enis Akiev makes marbled tiles from post-consumer plastic waste
Motorola has thrown its hat into the folding smartphone ring with a revamped version of its Razr flip phone that was first launched 15 years go. More about The classic flip phone returns as Motorola updates Razr with foldable display
An easily biodegradable material that could be "part of a global answer" to single-use plastic pollution has won its inventor, British designer Lucy Hughes, the international James Dyson Award. More about UK student's fish-waste bioplastic MarinaTex wins 2019 James Dyson Award top prize
Kids can identify plants, flowers and wildlife in their area while adding to a global biodiversity database that helps monitor the planet's health, using the augmented-reality app Seek by iNaturalist and the WWF. More about Seek app builds biodiversity database as users identify plant and animal species
Individuals could cut their greenhouse-gas emissions by replacing meals with algae grown at home using the countertop Spira device by recent design graduate Rob Russell. More about Spira countertop bioreactor allows users to grow their own algae for food
Dezeen promotion: a personalised flower generated by an algorithm has won the wallpaper category in the Samsung Mobile Design Competition. More about Garden of Galaxy personalised flower wins the Samsung Mobile Design Competition wallpaper category
Canadian camouflage company Hyperstealth Biotechnology has patented the technology behind a material that bends light to make people and objects near invisible to the naked eye. More about Hyperstealth Biotechnology's "invisibility cloak" can conceal people and buildings
Facebook has launched a new branding for its subsidiary companies, courtesy of branding agency Saffron and UK type design studio Dalton Maag, which comprises an all-capital typeface that changes colour depending on the service offered. More about Facebook rebrands to "create visual distinction" between company and social app
Dezeen promotion: a robotic stand that turns a Samsung Galaxy device into a collaborative smart assistant has taken the top prize in the accessories category of the Samsung Mobile Design Competition. More about Star of Galaxy robotic stand wins the mobile accessories category in Samsung's design competition
New York designer Charlotte McCurdy has fashioned a water-resistant jacket from a plastic made of algae. More about Charlotte McCurdy creates "carbon-negative" raincoat from algae bioplastic
Rain would repair rather than damage roads if they were made of the tyre-based pavement invented by Israel Antonio Briseño Carmona, a Mexican student and winner of the nation's James Dyson Award. More about Recycled tyres form pavement that self-repairs when it rains
Food design studio Bompas & Parr has created an incredibly lightweight edible meringue using a process originally developed to manufacture the lightest solid material ever made. More about Bompas & Parr produces "world's lightest dessert" weighing just one gram
Designer Irakli Sabekia has developed a device that can turn the border fence between Russia and his native Georgia into a radio transmitter. More about Irakli Sabekia turns razor wire fence into radio transmitter
Swedish company Re:newcell is aiming to disrupt the fashion industry and save natural resources by creating garments from Circulose – a new material made from recycled cotton clothes. More about Re:newcell prepares to launch "world's first clothes made from circular cotton"
Students from Cambridge University have built an ultra-efficient electric car that drives using only as much power as it takes to boil a kettle. More about Cambridge University team build UK's most efficient electric car
Dezeen promotion: the top three wallpaper designs in the Samsung Mobile Design Competition have been revealed, and their designers have shared the thinking behind their work in interviews with Dezeen. More about Top three wallpaper designs announced in Samsung and Dezeen's mobile design competition
Dezeen promotion: judges in the Samsung Mobile Design Competition have revealed their pick of the top three accessory designs, whose creators have shared their inspiration in interviews with Dezeen. More about Top three mobile accessory designs announced in Samsung and Dezeen's design competition