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University of Wisconsin

A simulated lung with the piezoelectric PVDF microband (in yellow) that vibrates as air fl...

One of the biggest hurdles facing the developers of biological implants is coming up with a power source to keep the implanted devices ticking. We've seen various technologies that could be used instead of traditional batteries (which require the patient to go under the knife so they can be replaced) such as wireless transmission of power from outside the body, biological fuel cells that generate electricity from a person's blood sugar, and piezoelectric devices that generate electricity from body movements or the beating of the heart. Now researchers have developed a device that could be used to generate electricity from a patient's breathing.  Read More

A new in-shoe device is designed to harvest the energy that is created by walking, and sto...

Although you may not be using a Get Smart-style shoe phone anytime soon, it is possible that your mobile phone may end up receiving its power from your shoes. University of Wisconsin-Madison engineering researchers Tom Krupenkin and J. Ashley Taylor have developed an in-shoe system that harvests the energy generated by walking. Currently, this energy is lost as heat. With their technology, however, they claim that up to 20 watts of electricity could be generated, and stored in an incorporated rechargeable battery.  Read More

The IceCube team poses in front of the deployment tower following completion of the IceCub...

After five years of construction, an international team has put the finishing touches on the University of Wisconsin’s IceCube Neutrino Observatory. Located in Antarctica, the observatory is looking specifically for high-energy neutrinos, which are created in violent cosmic events such as super novae and gamma ray bursts. As neutrinos collide with water molecules in the pitch black, ultra-clear ice, a blue flash of light results, which is detected by the sensors. Ever since neutrinos were discovered in 1956, scientists have hoped to decipher the information these astronomical messengers carry about distant cosmic events and the completion of the observatory marks an important step towards tracing their origins.  Read More

One of IceCube's digital optical modules being lowered into the ice

After two decades of planning, the world’s first kilometer-scale neutrino observatory should finally be completed by this December. Named IceCube, it will consist of an array of 5,160 optical sensors embedded within one cubic kilometer of the Antarctic ice shelf – to put the accomplishment in perspective, one of the next-largest such observatories is just 40 cubic meters in size. Its main purpose will be to try to establish, once and for all, the source of cosmic rays.  Read More

Century Gothic is the 'greenest' font

If you're looking for an easy way to make your contribution to saving the planet, then it could be as simple as switching your font to 'Century Gothic'. University of Wisconsin - Green Bay (UWGB) has rolled out the change this semester, saying it uses 30% less ink than its default font Arial when printed.  Read More

The new process breaks the chemical bonds in water using waste energy (Image: Jose Manuel ...

We recently looked at a breakthrough in using sunlight to create hydrogen but now scientists have found a way to use ambient noise to turn water into usable hydrogen fuel. The process harvests small amounts of otherwise-wasted energy such as noise or stray vibrations from the environment to break the chemical bonds in water and produce oxygen and hydrogen gas.  Read More

4D images show blood flow, direction and velocity and are markedly different in healthy vo...

Remarkable new imaging technology developed by researchers at the University of Wisconsin can not only capture the heart in 3D showing blood flow, direction, and velocity, but can also show them relating to a fourth dimension - time. The procedure is fast, and requires no invasive procedures, no contrast agent or general anesthesia and could have significant consequences for patients at risk of cardiac problems.  Read More

Engineers at University of Wisconsin-Madison have found a way to convert 95% of the energy...

Engineers at University of Wisconsin-Madison have found a way to convert 95% of the energy of cellulosic biomass into jet fuel using stable, inexpensive catalysts, basic equipment and minimal processing. The end hydrocarbon product is so similar to jet fuel that it is ready for application by present internal engine designs.  Read More

Can Botox stunt your emotional expression?

A new study from the University of Wisconsin may have profound implications for the cosmetic-surgery industry. We all intuitively know there is an interaction between facial expression, thoughts and emotions and scientists have previously found that blocking the ability to move the body causes changes in cognition and emotion. In the latest UW tests, which involved the pinpoint administration of Botox to temporarily prevent frowning, it was found that facial expression also affects the ability to understand written language related to emotions. So using Botox …  Read More

The most fuel-efficient diesel engine in the world, the Wärtsilä RTA96C, converts 50% of f...

The two engine technologies tend to be regarded as completely separate, so we rarely contemplate how gasoline and diesel can work together. But, in a series of tests conducted at the University of Wisconsin, scientists have used an engine’s fuel injection to produce the optimal diesel-gas mix for any given moment. The results are impressive: an average 20% greater fuel efficiency; combustion temperatures reduced by up to 40%; and effortless meeting of the stringent EPA 2010 emission regulations. Plus, the researchers believe that if their findings were implemented into every gasoline and diesel engine in the US, the savings could be as great as 4 million barrels of oil daily.  Read More

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