Design Miami: inspired by Gaudí's ingenious method to create the perfect curve, Anglo-Dutch design duo Glithero have hung loops of beaded chain over a shallow pool of water in an installation for champagne house Perrier-Jouët (+ slideshow). More about Lost Time by Glithero for Perrier-Jouët
Christmas shoppers in Madrid can stroll under glittering circles of LEDs designed by Italian architect Teresa Sapey (+ slideshow). More about Christmas lights in Madrid by Teresa Sapey
The final extract from our Book of Ideas selected by Dezeen editor-in-chief Marcus Fairs this week is a 24-hour performance involving two janitors constantly sweeping lines of rubbish to represent the hand of a clock. More about Dezeen Book of Ideas: Sweeper Clock by Maarten Baas
Combs, lighters and babies' dummies are among the hundreds of objects found washed up on British beaches and then hung in the atrium of a new London cancer centre by designer Stuart Haygarth. More about Strand installation by Stuart Haygarth
Serbian designer Miloš Milivojevic has installed a tree-like mobile phone charger powered by the sun in a park in Belgrade. More about Black Tree by Miloš Milivojevic
Architect and writer Sam Jacob wants to transform St Paul's Cathedral in London into a live map of the phases of the moon. More about Man Made Moon by Sam Jacob
French artist Olivier Grossetête used three enormous helium balloons to float a rope bridge over a lake in Tatton Park, a historic estate in north-west England. More about Pont de Singe bridge by Olivier Grossetête
Playing on these swings outside an arts centre in Guimarães, Portugal, generates electricity to power lighting under the floor (+ movie). More about Swing by Moradavaga
In a movie filmed by Alice Masters for the Design Museum's annual Designers in Residence exhibition, Lawrence Lek explains how he created a modular system of plywood pieces that can be bent into objects including a stool and a pavilion. More about Lawrence Lek at Designers in Residence 2012
Interieur 2012: Studio Makkink & Bey built a house of scaffolding and stairs to represent the transient, roaming lifestyle of the future as their contribution to the Future Primitives series at last month's Interieur design biennale in Kortrijk, Belgium. More about Lost in Translation by Studio Makkink & Bey
Istanbul Design Biennial 2012: this movie shows how a custom printer continually updates a copy of the Open Source Architecture Manifesto Wikipedia entry, written on a wall in the entrance to the Adhocracy exhibition at the Istanbul Design Biennial. More about Open Source Architecture Manifesto movie
Hundreds of spinning blades reveal the invisible patterns of the wind in American artist Charles Sowers' kinetic installation on the facade of the Randall Museum in San Francisco (+ movie). More about Windswept by Charles Sowers
Interieur 2012: data from the ripples of a nearby river animated this mechanical installation by American artist and designer David Bowen, which hung over visitors' heads at the Interieur design biennale in Kortrijk, Belgium, last week (+ slideshow). More about Underwater by David Bowen
Interieur 2012: British designer Ross Lovegrove presented a futuristic concept car shaped according to instinct rather than science at the Interieur design biennale in Kortrijk, Belgium, last week (+ movie). More about Futuristic Primitivism/Instinctive Override by Ross Lovegrove
Dutch Design Week: twenty-five designers set up their own production lines inside a former textile factory in the Netherlands last week, making furniture, lighting, clothes, shoes, food, paper and more with the help of visitors. More about C-Fabriek curated by Itay Ohaly and Thomas Vailly
Interieur 2012: beams of light appear to bend into curved gothic arches above this illusory passageway by London design studio Troika at the Interieur design biennale in Kortrijk, Belgium, this week. More about Arcades by Troika
Vienna Design Week: Spanish designer Martí Guixé presented an upmarket version of a box of wine at Sotheby's in Vienna earlier this month. More about Still Life with Light by Martí Guixé
Visitors to the Adhocracy show at the Istanbul Design Biennial are confronted with a plotter taking the text of the Open Source Architecture Manifesto from a Wikipedia page and writing it onto a wall. (+ slideshow) More about Open Source Architecture Manifesto by Carlo Ratti Associati
Beijing Design Week: designer Arthur Huang used Nike shoe material to create a colourful web in a rusting gas tower during Beijing Design Week (+ slideshow). More about The Feather by Arthur Huang
Dutch design lab Studio Roosegaarde has built a dome of metallic flowers that appear to come to life as they sense the presence of visitors inside a church in Lille, France (+ movie). More about Lotus Dome by Studio Roosegaarde