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.
Experts question legality of Trump's immigration ban on Muslim countries. The future of President Trump's executive order suspending immigration from seven predominantly Muslim countries may come down to a legal battle between his powers as commander in chief and discrimination limitations established by Congress.