A signal injector is a very useful and quick troubleshooting tool for signal tracing in a circuit. Using it can quickly determine the faulty stage of a radio receiver, for example. The signal injector ...

MONTGOMERY, Ala. (AP) — A federal appeals court on Friday revived a lawsuit filed by Alabama death-row inmates challenging the state’s lethal injection method, including the use of the sedative ...

In California, and in other parts of the country, when oil is produced, water is produced with it. This “produced” water is an oil and water mix that is typically also briny and brackish. It is ...