Microbeam radiation therapy uses a lattice of kilo-voltage x-ray âmicro-beamletsâ. The beamlets are 100-300 microns apart (100 microns is roughly the width of a human hair) and each beamlet is 10-50 microns wide.
The National-Security-Law Expert Who Blocked Trump's Travel Ban The former federal prosecutor and deputy counsel to the Department of Homeland Security writes that the prohibition violates the Constitution.
Donald Trump sign new travel ban: full text of memorandum. The travel ban prevents arrivals from six countries - Iraq now dropped from list. Republicans roll out plan to replace Obamacare as subsidies replaced by tax credits. Donald Trump 'does not believe FBI' over wire-tapping row.