NEW YORK (Reuters) - A plunge in U.S. markets on Monday triggered a 15-minute trading halt in stocks after the S&P 500 fell 7% shortly after the market opened. The declines came as tumbling oil prices ...

LTSpice is a tool that every electronics nerd should have at least a basic knowledge of. Those of us who work professionally in the analog and power worlds rely heavily on the validity of our ...

Because of its mass, a battery takes a long time to change temperature. If a vehicle sits out all weekend in a zero-degree environment, it might take 30 hours to warm up the battery. Use the outside ...