This paper describes the experimental application of the AC Quantum Voltmeter, developed at PTB, for impedance ratio measurements at voltages up to 5 V and freq ...

A 21-year-old congressional intern for Rep. Ron Estes of Kansas was killed in a shooting where he was not the intended target by "multiple suspects" police are still searching for.

A 21-year-old congressional intern was killed in D.C. shooting. Police say Eric Tarpinian-Jachym wasn't the intended target. Rep. Estes mourns UMass student's death.

Crime Northwest DC shooting leaves 1 dead, 2 hurt, including a boy Police say a man has been pronounced dead.