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.
Republican presidential candidate Donald Trump released a detailed immigration plan, and its great, great wall is just the beginning. Republican presidential candidate Donald Trump says that undocumented immigrants have to go, and he has vowed to undo President Obama's Deferred Action for Childhood Arrivals program.