The United States is vulnerable to attack from an electromagnetic pulse (EMP), according to experts. Such an attack could devastate the nation’s power grid and wipe out vast swaths of the population. “The risk of an EMP attack on U.S. infrastructure is very high, particularly in this international environment,” said Sam Kessler, a geopolitical adviser at North Star Support Group, a multinational risk management firm. The news comes amid growing concerns about the Chinese regime’s expanding military capabilities and its alleged development of first-strike nuclear capabilities. What Is an EMP Attack? An EMP is a burst of electromagnetic energy that disrupts communications and damages electronic equipment. An EMP can be created by nuclear missiles, radiofrequency weapons, and natural phenomena such as geomagnetic storms. While any nuclear weapon can create an EMP, specialized EMP weapons such as so-called super-EMP bombs generate particularly strong gamma radiation that multiplies the effect of the …