News: a court ruling has paved the way for demolition of the Foster + Partners-designed Harmon Hotel in Las Vegas – a half-finished building that never opened. More about Court approves demolition of Foster's ill-fated Las Vegas hotel
This week's Dezeen Mail newsletter includes a massive water slide on a street in an English city, a pen for doodling in 3D and a proposed solution to Hong Kong's housing crisis, plus the latest news, jobs, competitions and reader comments from Dezeen.
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Milan Expo 2015: a team led by artist Wolfgang Buttress has reportedly beaten a shortlist of prominent architects to design the UK pavilion for the World Expo 2015 in Milan, with plans for a "pulsating" beehive structure. More about Wolfgang Buttress to design UK Milan Expo pavilion
Architect Zaha Hadid has designed a leather bag for fashion house Fendi, part of a collection of creations by famous UK-based women to be auctioned for charity. More about Zaha Hadid designs layered handbag for Fendi
News: Dutch firm MVRDV has become the latest architect to design a penthouse apartment featuring a car elevator, offering residents the ultimate luxury: the ability to drive straight into their home. More about MVRDV-designed penthouse will feature a private elevator for cars
Milan 2014: German designer Laura Jungmann has collaborated with glassmaker Cornelius Réer to reform mass-produced glass items into sculptural vessels. More about Laura Jungmann and Cornelius Réer "upcycle" glassware into new objects
This wooden viewing cabin raised on stilts above the rugged landscape of southern Norway was designed by TYIN Tegnestue – the Trondheim office that also recently completed a top-heavy house extension (+ slideshow). More about Timber viewing cabin by TYIN Tegnestue overlooks a wild Norwegian landscape
Milan 2014: Brussels-based designer Alain Gilles' extendable table for Italian furniture brand Bonaldo turns its functional mechanism into an aesthetic feature (+ slideshow). More about Alain Gilles' extendable Tracks Table reveals its inner workings
Pointy panels appear to be cracking open on the facade of this storage depot in France by Brisac Gonzalez, revealing flashes of red, lilac, pink and turquoise (+ slideshow). More about Aluminium panels open like flower buds on warehouse facade by Brisac Gonzalez
Milan 2014: students from the Piet Zwart Institute created a series of interactive objects exploring sound in a domestic context for their Instruments Reimaging the Music Room exhibition in Milan last month (+ slideshow). More about Piet Zwart Institute students combine musical instruments with furniture and homeware
An instrument played by hitting a series of rocks has been created by designers at Italian research group Fabrica for a member of their music team's latest album (+ movie). More about Fabrica researchers create electronic musical instrument from stones and wood
Japanese architect Nobuo Araki has transformed an indoor swimming pool in Tokyo into a fashion store, turning the empty pool and its steel ladder into key features of the boutique's design (+ slideshow). More about Tokyo boutique by Nobuo Araki sits inside an old swimming pool
French designer Mathieu Lehanneur has designed a 20-sided wireless speaker that can rest on any of its triangular faces. More about Boom Boom speaker by Mathieu Lehanneur has 20 faces
Beijing's Forbidden City is the backdrop for this tea house created by Chinese studio CutscapeArchitecture in place of two dilapidated warehouses (+ slideshow). More about Red-Wall Teahouse by CutscapeArchitecture flanks Beijing's Forbidden City
3D-printing guru Janne Kyttanen has designed a kit of clothes and accessories that can be printed in one go from a single computer file, removing the need for travellers to pack a bag for their holiday (+ slideshow). More about Janne Kyttanen 3D-prints essential travel items with Lost Luggage kit
Milan 2014: this table by Dutch designer Studio Maks, featuring integrated wireless phone charging pads and WiFi signal enhancers, meandered around a warehouse in the Ventura Lambrate district of Milan last month (+ slideshow). More about Cloud Table by Studio Maks recharges phones
Clerkenwell Design Week 2014: Dezeen Book of Interviews, our new book featuring conversations with 45 leading figures in architecture and design, launches on 20 May during Clerkenwell Design Week. More about Dezeen Book of Interviews launches at Clerkenwell Design Week 2014
This top-heavy house extension in Trondheim, Norway, was designed by local office TYIN Tegnestue to maximise space on the first floor while minimising its footprint on the garden (+ slideshow). More about TYIN Tegnestue's lopsided house extension creates extra space upstairs
French designer Tim Defleur has created a table lamp from a single sheet of folded steel that forms the base and shade. More about Tim Defleur folds a single steel sheet to form PLI & CO lamp