Static electricity is everywhere, especially in your house. “Everyone has experienced that unexpected shock when folding laundry or touching a metal object in their home,” says John Bell, an ...

Natural gas is a critical, abundant, reliable, and clean source of energy for the American economy, both commercially and ...

PHILADELPHIA – In the steep hills above the Schuylkill River, across the street from a famous cheesesteak place and at the end of a quiet block, sits a typical Philadelphia rowhouse: narrow brick, ...