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Carbon Dioxide

The sea urchin has revealed a way to ceaply and quickly convert CO2 into calcium carbonate...

Carbon capture and sequestration in underground reservoirs isn’t the most practical or cost effective way to reduce atmospheric CO2 levels. It would be much simpler if CO2 could be quickly and cheaply converted into a harmless, solid mineral before it is released into the atmosphere. A team from the U.K.’s Newcastle University may have stumbled across a way to achieve this thanks to the humble sea urchin.  Read More

Do cosmic rays hold the key to the future of carbon capture and storage? (Photo: Igor Kova...

An international research team has been given the novel task of developing a practical means of monitoring underground stores of CO2 using none other than cosmic rays. The research hinges on the detection of the muons that occur as cosmic rays interact with the Earth's atmosphere, but which can penetrate several kilometers beneath the Earth's surface. It's thought that the approach could save significant amounts of money compared to alternative techniques.  Read More

USS Fife, a Spruance-class destroyer powered by gas turbines

Tell someone that you’ve invented a car that runs on water and they're liable to report you for fraud. That hasn’t stopped scientists and engineers at the U.S.. Naval Research Laboratory (NRL) who want to run warships on seawater - or at least, to turn seawater into jet fuel. This may sound like they’ve been standing too close to the ether again, but the idea is to extract carbon dioxide and hydrogen from seawater and then convert these into jet fuel by a gas-to-liquids process. If this proves practical, American naval vessels could refuel themselves at sea.  Read More

A newly developed 'artificial photosynthesis' system from Panasonic could be used to turn ...

Panasonic has recently developed an artificial photosynthesis system that, using a simple and straightforward process, can convert carbon dioxide into clean organic materials with what it says record efficiency. This development may lead to the creation of a compact way of capturing pollution from incinerators and electric power plants and converting them into harmless – even useful – compounds.  Read More

The Northwestern filter changes color when full of carbon dioxide, then changes back after...

As concerns continue to rise over man-made carbon dioxide entering the atmosphere, various groups of scientists have begun developing filters that could remove some or all of the CO2 content from smokestack emissions. Many of these sponge-like filters incorporate porous crystals known as metal-organic frameworks (MOFs). Unfortunately, most MOFs are derived from crude oil, plus some of them contain toxic heavy metals. Researchers from Illinois’ Northwestern University, however, recently announced that their nontoxic MOF sponge – made from sugar, salt and alcohol – is fully capable of capturing and storing CO2. As an added bonus, should you be really hungry, you can eat the thing.  Read More

Dry water has been found to have several potential environmentally-friendly uses

You know, I’m pretty sure I remember a Far Side cartoon or something, where someone was selling powdered water – “Just add water!” Well, dry water isn’t quite the same thing. It’s 95 percent liquid water, but that water takes the form of tiny droplets each encased in a tiny globe of silica. The resultant substance is dry and granular. It first came to light in 1968, and was used in cosmetics. More recently, a University of Liverpool research team has been looking into other potential uses for the substance. They have found several, but most interesting is its ability to store gases such as carbon dioxide.  Read More

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