Record-setting energy created by collider
GENEVA, SWITZERLAND - Operators of the world's largest atom smasher say they have ramped up the machine to three times the energy ever achieved in a run up to experiments probing secrets of the universe.
The European Organization for Nuclear Research, or CERN, says beams of protons circulated recently at 3.5 trillion electron volts in both directions around the 27-kilometre tunnel housing the Large Hadron Collider under the Swiss-French border at Geneva.
The next major development is expected in several days when CERN starts colliding the beams in a new round of research to examine the tiniest particles and forces within the atom in hopes of finding out more about how matter is made up.
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Potent greenhouse gas declines in the US, confirming success of control efforts
WASHINGTON - A new NOAA analysis shows U.S. emissions of the super-potent greenhouse gas sulfur hexafluoride (SF6) have declined between 2007-2018, likely due to successful mitigation efforts by the Environmental Protection Agency (EPA) and the electric power industry.
At the same time, significant disparities that existed previously between NOAA’s estimates, which are based on atmospheric measurements, and EPA’s estimates, which are based on a combination of reported emissions and industrial activity, have narrowed following the establishment of the EPA's Greenhouse Gas Reporting Program. The findings, published in the journal Atmospheric Chemistry and Physics, also suggest how additional emissions reductions might be…
