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.
Related: Donald Trump to Visit U.S.-Mexico Border Thursday. A wall would only encourage more of this no-physical-risk mode of entry, but nobody talks about staffing up the legal ports of entry because it's not as sexy of an alternative, he said.