Stephen Lankenau has spent years studying how people use cannabis in everyday life. As director of Drexel University's Medical Cannabis Research Center, he has watched legalization spread, products ...

Richard the Lionheart, King of England, breaks through the Muslim army during the Battle of Arsuf. As part of the Third Crusade, Richard the Lionheart led Christian campaigns to capture the holy city ...

Abstract: Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal propagation in wireless networks. By smartly tuning the signal reflection via a large number of ...