As droughts in the United States become more frequent and longer-lasting, new assessment tools are needed. A new National Academies report examines how the field of drought assessment can better ...
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 ...
The Holocaust was the systematic, state-sponsored persecution and murder of six million Jews by the Nazi regime and its allies and collaborators. Learn more in the Museum’s Holocaust Encyclopedia.