Oil

Giving dead lightbulbs a new lease on life

22:26 November 22, 2009 PST

The Oyule turn the incandescent bulb into the very thing it replaced

Everything (well, one thing anyway) old is new again, and vice versa with an oil lamp made from a reclaimed incandescent light globe. The work of industrial designer Sergio Silva, the Oyule lamps are his attempt to “send the bulbs back in time”, at a period when the incandescent bulb is itself being replaced by newer lighting technology. Read More

RESEARCH WATCH

New inexpensive method to clean oil from water

By Darren Quick

19:46 November 17, 2009 PST

An all too common sight - the car park oil sheen rainbow (Photo: crabchick via flickr)

The rainbow effect caused by varying thicknesses of oil film on water’s surface might be pretty to look at but is indicative of polluted water. This “oil sheen” proves especially difficult to remove, even when the water is aerated with ozone or filtered through sand. But now a University of Utah engineer has developed an inexpensive new method to remove oil sheen by repeatedly pressurizing and depressurizing ozone gas, creating microscopic bubbles that attack the oil so it can be removed by sand filters. Read More

ECOGIZMO

Four crucial resources that may run out in your lifetime

By Loz Blain

06:14 August 27, 2009 PDT

Can the Earth sustain 9 billion people? We'll find out in the next 50 years.

We're living in lucky times. Living standards - in the Western world, at least - are the highest in history. It's an era of relative peace and plenty that would amaze our ancestors. But it's not going to continue forever; we're already stretching many of our natural resources to their limits, and the world's population will jump from 6.5 billion to around 9 billion over the next 50 years. Get ready for a painful correction - here are four interconnected resources that are headed for a catastrophic squeeze within our lifetime. Read More