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Temperature

Violent bubbling in boiling water may just be a thing of the past (Image: Northwestern Uni...

You know that thing that water does when it boils? The thing with the bubbles? Turns out, it doesn't really need to do that at all, with scientists finding a way to make boiling water a completely bubble-free zone. Researchers from Northwestern University, King Abdullah University of Science and Technology in Saudi Arabia and Melbourne University in Australia teamed up to prevent water from bubbling when it boils by using tiny spheres coated with a hydrophobic material.  Read More

Netatmo's Urban Weather Station consists of Wi-Fi-connected indoor and outdoor modules

There is no shortage of smartphone apps that compile information from official weather monitoring sources, but if you’re looking to get some info on conditions closer to home – or inside it – then the Urban Weather Station from Netatmo could fit the bill. Designed specifically for iOS devices, (but also supporting Android devices), the cylindrical units monitor a range of environmental elements inside and out. Netatmo also hopes to use the Wi-Fi-connected devices to create “the largest weather and air quality monitoring network ever established.”  Read More

Lapka is  sensor that works with an iPhone app to present data on various environmental fa...

Have you ever sat and wondered what the radiation level is in your house? Or whether that food you're about to greedily tuck into is organic or not? Then Lapka may have been conceived with you in mind. The people behind Lapka – a set of sensors and accompanying app for the Apple iPhone – claim their product can do all of the above and more besides.  Read More

Dr Craig Hollabaugh has created a system that keeps the roots of his plants warm and cozy ...

After a somewhat unsuccessful and rather expensive attempt at warming a greenhouse, electrical engineer Dr Craig Hollabaugh rigged up a system that keeps the winter chill away by warming the roots of his plants. The WarmDirt system has already helped his plants survive the coldest of Colorado's cold months, and is now getting ready to provide warmth to seedlings during the expected April freeze. This past season's survivors were all flowers but next winter, the setup will be used for growing veggies.  Read More

The Cryoscope brings a haptic element to tomorrow's forecast by letting users feel tomorro...

Given that touch is generally the best way to determine how hot or cold something is - as long as it's not too hot or cold - Rob Godshaw has come up with a device that could provide a more immediately understandable representation of tomorrow's weather than the traditional abstract number coupled with simplified symbols seen on the nightly news. His invention is an aluminum cube called the Cryoscope that adds some haptic feedback to the daily weather forecast by letting users physically feel tomorrow's temperature - at least in their fingertips.  Read More

The Artguardian system monitors environmental conditions in galleries, to make sure that a...

While great works of art should be exhibited so the public can enjoy them, putting those pieces on display also puts them at risk. If environmental factors such as lighting intensity, temperature or humidity aren’t in the optimal range, for instance, works can prematurely deteriorate as a result. In order to minimize the risks, three of Germany’s Fraunhofer research institutes have collaborated to develop Artguardian, a system that monitors the conditions under which artworks are displayed.  Read More

The Nest Learning Thermostat is capable of self-programming itself via its user's habits, ...

While programmable thermostats are nothing uncommon these days, many users adjust the temperature manually utilizing the thermostat's basic feature only. On the other hand, it's certainly difficult to develop an appropriate program corresponding to the volatility of daily life. Designed by a team led by ex-Apple engineer Tony Fadell, the Nest Learning Thermostat offers a new take on automatic temperature adjustment. Featuring a simple knob-based design, the unit is capable of self-programming itself via a combination of its user's habits, activity sensors and Internet-gathered weather information, thus increasing energy savings without much effort on the user's part.  Read More

Tilted solar panels (front), create a stronger cooling effect than panels flush with the r...

According to a team of researchers at the UC San Diego Jacobs School of Engineering, the solar panels sprouting on increasing numbers of residential and commercial rooftops around the world aren’t just generating green electricity, they’re also helping keep the buildings cool. The news that letting photovoltaic panels take the solar beating will reduce the amount of heat reaching the roof shouldn’t come as much of a surprise, but the fact no one has thought to quantify just what the effects of rooftop solar panels on a building’s temperature are is a little baffling.  Read More

Limiting global temperature rise to 2 degrees now looks impossible

Last year at the UN climate change talks in Cancun, it was agreed that cutting emissions sufficiently to limit the world’s temperature increase to 2°C would require a far‑reaching transformation of the global energy system. To limit the world’s temperature increase to 2°C, it was agreed that the long-term concentration of greenhouse gases in the atmosphere would need to be limited to around 450 parts per million of carbon-dioxide (CO2). Sadly, the International Energy Agency has just released figures indicating that energy-related CO2 emissions in 2010 were the highest ever, reaching 30.6 Gigatonnes (Gt). This means that to achieve the 2020 target, where emissions must not be greater than 32 Gt, emissions will need to rise less over the next ten years in total than they did between 2009 and 2010.  Read More

A new device is able to non-invasively measure the temperature of patient's brains by meas...

Whether caused by strokes in seniors or hypoxia in newborn infants, brain injuries can cause the brain to overheat, which in turn causes its cells to die. While there are cooling therapies that can bring its temperature down, doctors first need to establish that the brain is indeed warmer than the rest of the patient’s body. While doing so has previously involved invasive techniques, researchers from Children's Hospital of The King's Daughters (CHKD) in Norfolk, Virginia have recently created a small device that sits on top of the patient’s head, and measures their brain’s temperature non-invasively.  Read More

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