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— Science

Low-cost air filter could help Beijing breathe easy

By - February 26, 2015 1 Picture
Material scientists at Stanford University have developed a highly effective semitransparent air filter that can collect 99 percent of the very small PM2.5 particles, considered the most harmful to the human respiratory tract. The low-cost filters, which don’t require power to function, could be used to build better protective facemasks, window screens, filtration systems in hospitals, and perhaps even to reduce pollution from cars and industrial smoke stacks. Read More

How to build a "stealth" computer display

An additional layer of security (and fun) can be added to your computer's LCD display by following the lead of Brusspup, a well-known online illusionist and computer artist. Just remove your display's outer polarizing filter, and use polarizing sunglasses instead. Read More
— Good Thinking

Sweat Machine turns perspiration into drinking water

By - July 22, 2013 4 Pictures
Unicef called upon the services of engineer Andreas Hammar to build the provocatively-named Sweat Machine which purifies sweat into drinking water. Though not intended as a serious measure to tackle shortages in drinking water, Unicef does hope to raise awareness of the issue, and invited visitors and footballers at last week's Gothia Cup soccer tournament to partake of a glass. Read More
— Outdoors

NDūR Survival Straw purifies water while you drink

By - May 3, 2013 2 Pictures
Most of us take water for granted. If we want a drink, we turn a tap or twist a cap and there it is. But if you find yourself off the beaten track in triple-digit heat without it, locating some can mean the difference between life and death. Finding a pool of water in the shade of a rock may seem like a godsend, but then the question of waterborne diseases raises its head. That’s where the NDūR Survival Straw comes in. Read More
— Outdoors

Camelbak All Clear Bottle zaps bacteria with UV rays

By - February 10, 2012 2 Pictures
When you're dealing with the impurities of your local city water supply, a Brita filter should be enough to give you clean-tasting water. But when you're dealing with the impurities lingering in a raw, untreated stream in the woods, you'll need something stronger. This solution from Camelbak - the All Clear bottle - gives you an integrated UV purifier designed to kill all those nasty microorganisms that just live to wring your intestines out. Read More
— Around The Home

Rydis rolls in with a robot air purifier

By - January 25, 2012 6 Pictures
An air purifier is typically set to clean a set number of square feet in a house or building, say 100 square feet (9 sq m). That means nearby rooms don't benefit, and you may even wonder about the perimeter of the room in which you have the purifier, and whether air particles in that area are being cleaned. The Rydis H800, a robot air purifier from Moneual, addresses these concerns by roaming the house in search of dirty air to clean and purify. Read More
— Science

Prototype system removes air pollutants and generates heat for livestock barns

By - January 5, 2012 1 Picture
If you’ve ever so much as stepped into a chicken or swine barn, you’ll know that they can be very, very smelly places. When vented outdoors, the air from these buildings does more than just make the area stink – it can actually be a major source of air pollution and greenhouse gases. Fortunately, however, researchers from North Carolina State University and West Virginia University have created a system that not only helps clean the air going out of the barns, but it heats up the air coming in from outside. Read More
— Around The Home

The Espro Press takes a new approach to coffee-making

By - December 9, 2011 6 Pictures
Coffee lovers Chris Mclean (design engineer) and Bruce Constantine (engineer/ entrepreneur) have spent the last two years developing a precision coffee brewer dubbed Espro Press. The product is similar to classical french presses, however Espro Press features a two-stage micro-filter that reportedly preserves coffee flavors and prevents sediments or muddiness in the coffee. Read More
— Health and Wellbeing

Protexo aims to help asthmatics breathe easier while sleeping

By - November 25, 2011 6 Pictures
Asthmatics have it hard enough when they’re awake, having to periodically use their inhalers, or remove themselves from situations that could trigger an attack. For some of them, however, their symptoms get even worse when they go to bed, preventing them from getting a good night’s sleep. Airsonett, a Swedish medical tech company, is attempting make life easier for those people. It has created a device called the Protexo, which it claims should be of great assistance to night-time asthma sufferers. Read More
— Good Thinking

Banana peels can be used to purify water

By - March 14, 2011 1 Picture
The skin of a banana has been used to great comic effects in numerous slapstick routines for many years. It's also good for the skin and is a traditional cure for warts. You can polish shoes and silver with it. You can make wine with it and it's even been known to find itself being dried, wrapped in paper and smoked. Now, research published in the journal of the American Chemical Society claims that mashed up peel can remove heavy metals from river water. Read More

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