The Linac Coherent Light Source in California fired an X-ray pulse that lasted only a few hundred billionths of a billionth of a second but carried nearly a terawatt of powerThe Linac Coherent Light Source in California fired an X-ray pulse that lasted only a few hundred billionths of a billionth of a second but carried nearly a terawatt of power The Linac Coherent Light Source in California fired an X-ray pulse that lasted only a few hundred billionths of a billionth of a second but carried nearly a terawatt of power New Scientist – Home