Istanbul Design Biennial 2014: German architect Jürgen Mayer H has created a room filled with glowing pink light and ambient pink noise to explore how sleeping patterns could become "more nomadic" in the future (+ slideshow). More about "We need to redefine the sleep cycle" says architect Jürgen Mayer H
Lengths of transparent film and sticky tape wrap around the concrete columns of Paris gallery Palais de Tokyo to form a network of hollows and tunnels in an installation by Numen/For Use (+ slideshow). More about Numen/For Use creates inhabitable "corporeal" installation with sticky tape
American architects Elizabeth Diller and Ricardo Scofidio have created an installation inside the Fondation Cartier in Paris by Jean Nouvel, adding a "leak" in the ceiling with drops of water that trigger a series of reactions across two gallery spaces (+ slideshow). More about Diller and Scofidio create "mischievous" leak inside Jean Nouvel's glass gallery
Biennale Interieur curator Joseph Grima and his research collective Space Caviar took over a derelict school in Kortrijk to create an exhibition exploring how perceptions of the home have changed over time (+ slideshow). More about Joseph Grima explores changing ideas of domesticity for Biennale Interieur exhibition
The German capital is commemorating 25 years since the fall of the Berlin Wall with a trail of illuminated balloons along its former route (+ movie). More about Berlin celebrates "fall of the wall" anniversary with 8,000 glowing balloons
A spiky red wall reminiscent of a cartoon explosion is one of two installations that French artist Didier Faustino has inserted in the grounds of a 1950s villa designed by architect and sculptor André Bloc (+ slideshow). More about Didier Faustino adds "explosive architectural installation" to André Bloc's 1950s villa
Visitors to an Austrian museum transcend the exhibition space on a steep black staircase constructed from layers of net by design collective Numen/For Use (+ slideshow). More about Numen/For Use combines "height and wobbliness" in net staircase for Linz gallery
Interieur 2014: a troop of robotic vacuum cleaners "waltz" with each other around a school gymnasium in this installation for the Biennale Interieur event in Kortrijk, Belgium (+ movie). More about Robotic vacuum cleaners perform a Viennese Waltz at Biennale Interieur 2014
Interieur 2014: the winners of the spaces category at this year's Interieur Awards have built their concept bar proposals in the halls of Kortrijk Xpo for the biennial design event. More about Biennale Interieur 2014 award winners realise bar concepts at Kortrijk Xpo
Interieur 2014: Interieur president Lowie Vermeersch and curator Joseph Grima explain why they took a "research-driven" approach to Biennale Interieur 2014 in this movie produced by Dezeen for the fair. More about Biennale Interieur 2014 aims to provide "a deeper insight into what design means"
Brightly coloured stripes based on refracted light run across the walls, ceilings and floors of an art gallery in Nuremberg, Germany, in this immersive installation by Markus Linnenbrink (+ slideshow). More about Markus Linnenbrink's Off the Wall! installation immerses visitors in colour
Japanese architect Sou Fujimoto has created an installation in Paris' Jardins des Tuileries composed of suspended metal cubes and plants, for the FIAC art fair. More about Sou Fujimoto stacks aluminium boxes to form "nomadic" house installation in Paris
French artist Benedetto Bufalino has created a tennis court over two rooms of a gallery in Dijon, complete with fake grass, white lines and a net across the doorway (+ slideshow). More about Benedetto Bufalino transforms a former apartment into a tennis court
Dutch Design Week 2014: smells of sweat, grease and metal waft from the glass tubes of this installation, created by Design Academy Eindhoven graduate Mickaël Wiesengrün to add historical context to its setting in a former factory. More about Révélateur installation by Mickaël Wiesengrün recreates "smells of the past"
Synthetic human body parts mounted on robots dance to dramatic music in Dance Machines, an installation by British artist Peter William Holden in London (+ slideshow). More about Peter William Holden’s Frankensteinian robots perform dance routines to music
Dutch Design Week 2014: Dutch designers Niels van Eijk and Miriam van der Lubbe have created a driverless fabric car concept for Swedish auto brand Volvo as part of a series examining how new developments in technology will change car design (+ slideshow). More about Van Eijk & Van der Lubbe design "an experience in motion" for Volvo
Perforated pink aluminium panels form a sinuous structure that envelops visitors to this installation by French architect Marc Fornes, his studio The Very Many and sound artist Jana Winderen (+ slideshow). More about Marc Fornes creates pink "envelope of experiential tension" for Situation Room installation
Canadian design collective Les Astronautes has lined a disused alley in Quebec with hundreds of protruding pool noodles. More about Les Astronautes fills Quebec passageway with swimming pool toys
David Chipperfield has filled the Mies van der Rohe-designed Neue Nationalgalerie in Berlin with 144 tree trunks – the museum's final exhibition before renovation work by the British architect starts. More about David Chipperfield installs tree trunk columns in Mies van der Rohe's Neue Nationalgalerie
A piece of the historic Covent Garden market appears to have broken free of its stone base, with its top half levitating in the air, in the latest installation by London designer Alex Chinneck. More about Alex Chinneck performs architectural "magic trick" with Covent Garden building installation