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News: Peering into private life of atomic clusters -- using the world's tiniest test tubes

 

Experts in the Nanoscale and Microscale Research Centre (nmRC) at the University of Nottingham have taken a first peak into the private life of atomic clusters. Here's what they can see.

Having already succeeded in 'filming' inter-molecular chemical reactions -- using the electron beam of a transmission electron microscope (TEM) as a stop-frame imaging tool -- they have now achieved time-resolved imaging of atomic-scale dynamics and chemical transformations promoted by metal nanoclusters. This has enabled them to rank 14 different metals both in order of their bonding with carbon and their catalytic activity, showing significant variation across the Periodic Table of Elements.

 
Posted: 2018-09-11
 

News: Methane to syngas catalyst: two for the price of one

 

Hokkaido University researchers have created an improved catalyst for the conversion of methane gas into syngas, a precursor for liquid fuels and fundamental chemicals.

Syngas, also known as synthesis gas, is a mixture made primarily of carbon monoxide and hydrogen and is used to manufacture polymers, pharmaceuticals, and synthetic petroleum. It is made by exposing methane to water vapor at 900 °C or higher, making the process costly.

 
Posted: 2018-09-11
 

News: New study shows ways to maximize temperature-lowering benefits of Chicago's green roofs

 

Extreme heat poses a unique challenge to cities in the United States. According to the National Weather Service, extreme heat accounts for 20 percent of deaths by natural hazard in the United States, taking an average of 130 lives per year.

With exploding urban populations and increasing migration, cities are struggling to keep up with increases in extreme heat-related climate impacts, threatening human health, straining energy resources and reducing economic productivity.

 
Posted: 2018-09-11
 
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