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KTH Royal Institute of Technology


— Science

Squishy battery created using wood

By - June 1, 2015 1 Picture

Wood pulp-derived nanocellulose is turning out to be pretty useful stuff. Previously, we'd heard how it could be used in things like high-strength lightweight composites, oil-absorbing sponges and biodegradable computer chips. Now, researchers from Sweden and the US have used the material to build soft-bodied batteries that are more shock- and stress-resistant than their traditional hard counterparts.

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— Good Thinking

CorPower system gives wave power the gears

By - February 18, 2015 3 Pictures
Harnessing wave power can be a tricky business. It's one thing to build a device that simply moves up and down with the waves, but another to build one that's efficient enough to be cost-effective. Swedish company CorPower Ocean claims to have done just that, however. Its wave energy converter buoys reportedly generate five times more energy per ton of device, at a third the cost of other wave power systems. Read More
— Science

Seaweed could provide a safer alternative to antibacterial silver

By - September 30, 2014 2 Pictures
Silver nanoparticles are very effective at killing bacteria, finding use in everything from water filters to non-smelly clothing. That said, there are some major concerns regarding the effects that those particles may have on human health and on the environment. Among other things, it has been suggested that they cause cell death, and compromise the immune system. Now, however, scientists at Sweden's KTH Royal Institute of Technology have come up with what could be a less harmful alternative – red algae. Read More
— Science

Biodegradable fibers as strong as steel made from wood cellulose

By - June 9, 2014 2 Pictures
A team of researchers working at Stockholm's KTH Royal Institute of Technology claim to have developed a way to make cellulose fibers stronger than steel on a strength-to-weight basis. In what is touted as a world first, the team from the institute's Wallenberg Wood Science Center claim that the new fiber could be used as a biodegradable replacement for many filament materials made today from imperishable substances such as fiberglass, plastic, and metal. And all this from a substance that requires only water, wood cellulose, and common table salt to create it. Read More
— Wearable Electronics

Digital positioning shoes keep track of firefighters

By - January 15, 2014 1 Picture
Disorientation inside smoke-filled and unfamiliar buildings can be a major obstacle for firefighters – and it's not as if they don't have enough to worry about already. Researchers at KTH Royal Institute of Technology in Stockholm have addressed this problem by developing fancy footwear that allows firefighters to be tracked in places where GPS fails, including up to 25 m below ground. Read More
— Health and Wellbeing

Mollii outfit helps minimize brain damage-caused muscle spasms

By - October 15, 2013 2 Pictures
The painful and crippling muscle spasms caused by brain injuries or neurological disorders are typically controlled using medication or even surgery. Soon, however, it may be possible for sufferers to get their muscles under control just by wearing what looks like a high-tech union suit. Known as the Mollii garment, it reportedly produces no side effects, and doesn't have to be worn all the time. Read More
— Environment

Wastewater treatment process may keep fish off antidepressants

By - February 27, 2013 2 Pictures
While some people may wonder about the possible side-effects of antidepressants on the people who are taking them, here’s another thing to consider ... what happens when the residue from those drugs passes through the user’s urine and into the sewage system? As it turns out, it can enter local waterways and affect the fish. Now, researchers from KTH Royal Institute of Technology in Stockholm have developed technology to keep that from happening. Read More
— Science

Scientists develop "eco-friendly" antibacterial material

By - February 15, 2013 1 Picture
Because they’re known for being effective killers of bacteria, silver nanoparticles have been finding their way into a wide variety of antimicrobial materials. There are concerns, however, regarding the consequences of those nanoparticles being shed by the material and entering the environment. In particular, there are worries that through continuous low-level exposure to the nanoparticles, bacteria could develop a resistance to them. Now, researchers from Sweden’s KTH Royal Institute of Technology have announced the development of a new type of antibacterial material, that they claim won’t cause such problems. Read More
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