Category Chemistry/Nanotechnology

New Houseplant can Clean your Home’s Air


Researchers at the University of Washington have genetically modified a common houseplant — pothos ivy — to remove chloroform and benzene from the air around it.
Credit: Mark Stone/University of Washington

Researchers have genetically modified a common houseplant to remove chloroform and benzene from the air around it. Small molecules like chloroform, which is present in small amounts in chlorinated water, or benzene, which is a component of gasoline, build up in our homes when we shower or boil water, or when we store cars or lawn mowers in attached garages. Both benzene and chloroform exposure have been linked to cancer.

Now researchers at the University of Washington have genetically modified a common houseplant – pothos ivy – to remove chloroform and benzene from the air aroun...

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Flexible Thermoelectric Generator Module: A silver bullet to fix waste energy issues


Photo and schematic design of the FlexTEG module, photo of Bismuth-telluride (Bi-Te) semiconductor chips, and voltage and power as a function of the current for the FlexTEG module at different temperature gradients.
Credit: Osaka University

A team of researchers led by Osaka University developed an inexpensive large-scale flexible thermoelectric generator (FlexTEG) module with high mechanical reliability for highly efficient power generation. Through a change in direction of the top electrodes at the two sides of the module and the use of high density packaging of semiconductor chips, the FlexTEG module has more flexibility in any uniaxial direction...

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Data Use Draining your Battery? Tiny device to Speed up Memory while also Saving Power


Researchers have discovered a new functionality in a two-dimensional material that allows data to be stored and retrieved much faster on a computer chip, saving battery life.
Credit: Purdue University illustration

The more objects we make “smart,” from watches to entire buildings, the greater the need for these devices to store and retrieve massive amounts of data quickly without consuming too much power. Millions of new memory cells could be part of a computer chip and provide that speed and energy savings, thanks to the discovery of a previously unobserved functionality in a material called molybdenum ditelluride.

The 2D material stacks into multiple layers to build a memory cell...

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Jiggly Jell-O to make Powerful new Hydrogen Fuel Catalyst

An illustration shows hydrogen gas bubbling off of a sheet of metal carbide

Two-dimensional metal carbides spark a reaction that splits water into oxygen and valuable hydrogen gas. Berkeley researchers have discovered an easy new recipe for cooking up these nanometer-thin sheets that is nearly as simple as making Jell-O from a box. (Xining Zang graphic, copyright Wiley)

The inexpensive new material can split water just as efficiently as costly platinum. A cheap and effective new catalyst developed by researchers at the University of California, Berkeley, can generate hydrogen fuel from water just as efficiently as platinum, currently the best – but also most expensive – water-splitting catalyst out there.

The catalyst, which is composed of nanometer-thin sheets of metal carbide, is manufactured using a self-assembly process that relies on a surprising ingredien...

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