London Design Festival 2010: at the Sunbury Workshops Open Studios in east London next week designer Alex Hulme will present this calculator that has two programmable LCD buttons for storing useful figures. More about Calculator by Alex Hulme
These pens by London designers Yuri Suzuki and Oscar Diaz can record sound as a line on paper and then play it back. More about REC & PLAY by Yuri Suzuki and Oscar Diaz
New York architect Alexander Pincus of Means of Production has designed this electrical extension lead in the shape of a cruciform. More about Crucifix Surge Protector by Means of Production
Here’s another conceptual project from Shenkar College of Engineering and Design student Yaniv Berg (see his coffee machine in our earlier story), this time a digital SLR camera where the lens and body are merged to form a kinked cylinder. More about Periscope Camera by Yaniv Berg
Brussels designer Sylvain Willenz drew on cassette tapes and floppy disks for the design of these external hard drives. More about CLS Mobile Drive by Sylvain Willenz
Danish industrial design firm Kibisi launch these minimal headphones today. More about TMA-1 By KiBiSi for AIAIAI
Spanish designer Oscar Diaz has proposed a key-cutting concept that allows owners to duplicate lost keys by 3D-printing, without needing an original to copy. More about While You Sleep by Oscar Diaz
This grinder by brothers Adrian and Jeremy Wright of London design studio DesignWright dispenses both salt and pepper. More about Y-Grinder by DesignWright for Joseph Joseph
British industrial designer James Dyson has added two new models to his range of blade-less fans, the AM02 Tower and the AM03 Pedestal. More about AM02 and AM03 Air Multiplier fans by Dyson
Paris designer Patrick Norguet has designed a circular wall-mounted air purifier that sucks air in through vents in the top and expels it through a funnel on the front. More about Plain Air by Patrick Norguet for TLV
More from plusminuszero: the Japanese design company also launched this credit card-sized calculator in Milan last month. More about Electronic Calculator XS by plusminuszero
Designer Karim Rashid has created a bottle that filters tap water as the user drinks it. More about Bobble by Karim Rashid
Czech designer Jaroslav Juřica has designed a paper pinhole camera that can be printed and assembled at home. More about Rubikon Pinhole Rebel by Jaroslav Juřica
Designaffairs Studio of Germany have designed a conceptual hearing aid that forms a flesh tunnel through the wearer's earlobe. More about Deafinite Style by Designaffairs Studio
Japanese designers Nendo have designed a set of globes depicting white oceans and black land masses. More about Corona globes by Nendo
Taiwanese designer Yen-Wen Tseng, a student at Konstfack University College of Arts, Craft and Design in Stockholm, has created a set of rubber candlesticks designed to feel like bicycle handlebars. More about Handlebar Candlesticks by Yen-Wen Tseng
Cologne 2010: designer Eric Degenhardt of Cologne has designed a coat hook for German manufacturer Schönbuch that incorporates a tray for smaller items such as keys. More about Saucer by Eric Degenhardt for Schönbuch
Apple CEO Steve Jobs has unveiled the iPad, a large touch-screen device for reading, browsing the internet, listening to music and playing games. More about iPad by Apple
Maison & Objet 2010: French artist Yann Lestrat presents a spherical spirit level at Maison & Objet in Paris this week. More about Nevroz spirit level by Yann Lestrat for Tamawa
Chinese designer Daizi Zheng has created a conceptual mobile phone for Finnish brand Nokia that could be powered by sugary drinks. More about Eco-friendly phone for Nokia by Daizi Zheng