Competition: Dezeen has teamed up with Not Another Bill to give readers the chance to win one of five three-month subscriptions to its service that delivers limited-edition gifts. More about Competition: five Not Another Bill subscriptions to be won
This machine by Dutch designer Jolene Carlier spurts popcorn from the end of a glass tube into a bright yellow bowl when the snack is ready to eat (+ movie). More about Willy Wonka-inspired machine propels popcorn through a curved glass tube
Designers Max Frommeld and Arno Mathies have introduced modern plastic hinging to a traditional sled construction, forming a snow-skimming vehicle that can be folded flat (+ slideshow). More about Max Frommeld and Arno Mathies create a folding sled
Stockholm 2015: Oslo studio StokkeAustad has combined colourful textiles with a selection of shinier materials to create acoustic panels that feature geometric patterns (+ slideshow). More about StokkeAustad's acoustic panels pair colourful fabric with metal and stone
Japanese designer Naoto Fukasawa has created a new version of his simple smartphone for telecommunications company KDDI. More about Naoto Fukasawa designs streamlined Infobar A03 smartphone for KDDI
News: Microsoft has revealed an early version of an augmented reality headset called HoloLens that creates interactive holographic imagery in the wearer's field of vision (+ slideshow). More about Microsoft's HoloLens headset combines high-definition holograms with the real world
San Francisco studio Lapka has imagined a range of health-related modules that would fit onto the Project Ara smartphone – for which Google unveiled the latest prototype last week (+ slideshow). More about Health-monitoring components designed for Google's Project Ara modular smartphone
Hungarian pianist Gergely Bogányi has redesigned the grand piano to improve the quality of the sound produced, resulting in an unusual sculptural form (+ movie). More about Musician Gergely Bogányi offers a curvaceous take on the traditional grand piano
Product designer Andre Fangueiro has created a small pebble-shaped device that uses ultrasonic sound waves to clean clothes (+ movie). More about Dolfi is a tiny ultrasonic washing machine for delicate clothes
News: Google has unveiled a new prototype of its modular smartphone with swappable components, which the project's design head Gadi Amit says will allow users to "be the designer of their own phone" (+ slideshow). More about Google takes next step towards Project Ara modular phone launch
Viennese design studio Labvert has produced a glass fragrance tester for fashion house Dior to replace the slips of card normally used when sampling perfumes. More about Labvert's glass fragrance tester for Dior prevents mixing of scents
Canada's Alleles Design Studio has developed a collection of prosthetic leg covers designed to add a human silhouette and a variety of patterns to mechanical artificial limbs (+ slideshow). More about Alleles Design Studio turns prosthetic limbs into a fashion statement
CES 2015: San Francisco designer Yves Behar has unveiled a "sculptural" television with a curved screen for Samsung at the Consumer Electronics Show in Las Vegas (+ slideshow). More about Yves Behar mounts Samsung's curved TV on a pedestal
Brooklyn studio UM Project has created a collection of colourful mallets for the shop at the newly reopened Cooper Hewitt Smithsonian Design Museum in New York. More about UM Project designs multi-material mallets for Cooper Hewitt's museum shop
Dezeen's design editor Dan Howarth picks 10 of his favourite gadgets from this year, including a fish that steers its own tank and a vaginal activity monitor. More about Dezeen's top 10 gadgets of 2014
News: Japanese designer Tokujin Yoshioka has created a see-through case for the latest Firefox smartphone from telecommunications company KDDI. More about Tokujin Yoshioka designs transparent smartphone for KDDI
Lebanese studio Najla El Zein Workspace has created a set of "pleasure tools" by pairing marble with materials including fake eyelashes and gold fingernails for tickling, stroking, scratching and more (+ slideshow). More about Sensorial Brushes by Najla El Zein Workspace are designed to stimulate the skin
American firm Choi + Shine Architects has created tube-shaped lighting modules that assemble into three-dimensional arrangements using magnets. More about Modular lighting system by Choi + Shine Architects sticks together with magnets
Design Miami 2014: Copenhagen studio KiBiSi claims to have designed the first lightweight cargo bicycle tailored to the needs of city commuters, for Danish manufacturer Biomega. More about KiBiSi launches cargo bike for urban commuters
This simple rack made from just six components, by Swedish designer Karl Mikael Ling, is designed to simultaneously store and show off a bicycle in a small apartment. More about Karl Mikael Ling's Pincher rack offers "a simple way to showcase your bike"