Abstract: Solution of many combinatorial optimization problems can be found by analyzing appropriate electrical networks made up of positive resistors, voltage sources, current sources and ideal ...

WASHINGTON (7News) — Almost five months ago to the date, Zeek Dziekan was lying on the ground, after getting shot in the chest. The D.C. firefighter who found himself on the other side of an emergency ...

Intel (INTC) dropped 7.5% last week as semiconductors rallied 1.76%. The company has seen a negative sentiment shift since its disappointing earnings in late January. AMD hit record 35.4% desktop ...

This winter is doing more than bringing cold weather — it’s also causing a rise in cardiovascular problems. Cardiac events including heart attacks, cardiac arrest and strokes are already common ...

The delinquency rate for mortgages — although still near low levels on a longer-term basis — has been steadily increasing over the past few years. (Illustration by Tucker Harris/The Washington Post; ...