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Ideas

Bright ideas for improving the world


Zero Net Enegy at Zero Cost

Written by , on September 16, 2014

A revolutionary renovation programme in the Netherlands, called Energiesprong (Energy Jump), is delivering social housing with zero net energy consumption to social housing at zero cost to the tenant and with no subsidies to the builder.  Read more »

Device Recovers Waste Heat from Showers

Written by , on August 15, 2014

A new drain heat exchanger for waste heat recovery in residential buildings promises to be the first practical version for home shower use. It is claimed to recover up to 45% of the waste heat from shower drains while offering a good return on investment.  Read more »

Solar Drink Cooler

Written by , on August 11, 2014

Coca Cola, in collaboration with the International Physics Centre in Bogota, Colombia, have developed a fridge that cools drinks without using any electricity.  Read more »

40% More Efficient Cooking Pan

Written by , on July 15, 2014

A new type of cooking pan makes better use of available heat.  Read more »

Tidal Lagoons Could Generate 10% of UK’s Power

Written by , on July 10, 2014

A British company, Tidal Lagoon Power, is proposing to develop a network of tidal lagoon power stations. It says that it could provide 10% of the UK’s power needs by building at least five full-scale tidal lagoons in UK waters by 2023,  Read more »

Easily Reduce Building Energy Use

Written by , on November 16, 2013

According to the US Department of Energy, on average office buildings are empty for about 72% of the time and 55% of their total electricity use occurs during this time. Half of this wasted electricity is used for heating, ventillation and air conditioning. Another 25% is consumed by lighting. The remaing 25% is "plug loads" […]  Read more »

Tiny Electric Car Has Removable Battery

Written by , on September 30, 2013

One of the problems with electric cars is how to charge the battery if you have to park in the street or your destination doesn't have a a suitable charging point. The Itaian manufacturer Estrima has solved the problem in its tiny Birò electric car by making the batterey removable, so that it can be […]  Read more »

Convert Telephone Booths to EV Charging Points

Written by , on September 15, 2013

A recent New York City competition produced a poposal to turn phone booths into electric vehicle charging points.. While the demand for public phones is declining rapidly, the need for vehicle charging stations in uban locations is increasing. It had been expected that electric vehicles would be most popular in locations close to urban centres […]  Read more »

Ship Design Uses Hull as Sail

Written by , on September 12, 2013

The Norwegian speed sailor and inventor, Terje Lade, has developed a new concept for a ship in which the hull acts as a giant sail. He estimated that the “Vindskip” would have fuel savings of 60% and emissions reductions of 80% compared to current cargo ships. The Vindskip would have natural-gas fired engines and a […]  Read more »

Online Market for Waste Materials

Written by , on June 12, 2013

A new website, Harvestmap (Oogstkaart in Dutch) at http://www.oogstkaart.nl is an online marketplace for industrial-scale redundant and second hand materials. Harvestmap/Oogstkaart allows companies or individuals to list their supply of materials, components or even buildings to potential users. All materials, ranging from small quantities to continuous flows of industrial leftovers are represented. Participation allows you […]  Read more »