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Articles tagged with: chemistry

Written By: grant on May 19, 2014 No Comment

Science Daily pokes a hole in the optimism around electronic cigarettes with findings that they’re really not that different from the kind you light and burn:

The devices, which are rapidly gaining a foothold in popular culture particularly among youth, are marketed as a healthier alternative to tobacco smoking, as an effective tool to stop [...]

Written By: grant on May 12, 2014 No Comment

The Guardian (with a little help from Harvard) confirms what folks have suspected for a while – that Colony Collapse Disorder (CCD) is largely due to neonicotinoid pesticides:

In the new Harvard study, published in the Bulletin of Insectology, the scientists studied the health of 18 bee colonies in three locations in central Massachusetts from [...]

Written By: grant on April 23, 2014 No Comment

SONG: “Growing Batteries.” (To download: double right-click & “Save As”)

ARTIST: grant.

SOURCE: Based on “Process Turns Cellulose into Energy Storage Devices”, Laboratory Equipment, 8 April 2014, as used in the post “Tree batteries. No, capacitors. No, *super* capacitors”.

ABSTRACT: Not too much to say about the process here – it’s a [...]

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Written By: grant on April 22, 2014 No Comment

Nature is sharing a fun little recipe for whipping up the super-material graphene in a kitchen blender:

In Nature Materials, a team led by [Jonathan] Coleman [at Trinity College, Dublin,] (and funded by the UK-based firm Thomas Swan) describe how they took a high-power (400-watt) kitchen blender and added half a litre of water, [...]

Written By: grant on April 9, 2014 No Comment

Laboratory Equipment on a low-tech material that solves a high-tech problem, as chemical engineers figure out ways to make supercapacitors out of wood:

OSU chemists have found that cellulose – the most abundant organic polymer on Earth and a key component of trees – can be heated in a furnace in the presence of ammonia, [...]

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Written By: grant on January 22, 2014 No Comment

Nature is predigesting our gasoline… or something like that. Researchers have found that you can get fuel out of some tough material by treating it with a chemical mixture that breaks it down:

But most of the biomass produced in agriculture and forestry lies unused in more-complex chains of sugars, for example lignin and [...]

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Written By: grant on October 29, 2013 No Comment

Gigaom takes the two great tastes of home manufacturing and carbon crystalline structures and makes them taste great together with a 3D printer that creates objects out of graphene:

Mining and technology development company American Graphite Technologies announced this week that partner researchers at the Kharkov Institute of Physics in in Ukraine received [...]

Written By: grant on October 14, 2013 No Comment

I’m pretty sure Nature is blazing a new B-movie trail with this report on hormone-disrupting chemicals “rising from the dead”:

Environmental scientists have discovered that although these compounds are often broken down by sunlight, they can regenerate at night, returning to life like zombies.

“The assumption is that if it’s gone, we don’t have to [...]

Written By: grant on September 18, 2013 No Comment

Laboratory Equipment reports on byproduct of the sugar industry that happens to make a more effective, environmentally friendly cement:

New research from the Niels Bohr Institute shows that cement made with waste ash from sugar production is stronger than ordinary cement. The research shows that the ash helps to bind water in the cement [...]

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