Before revision: alt=The Electra KrF laser demonstrates 90,000 shots over 10 hours, needed for an IFE power plant.|The Electra KrF laser demonstrates 90,000 shots over 10 hours, needed for an IFE power plant.
After revision: a repetition ratea repetition ratealt=The Electra KrF laser demonstrates 90,000 shots over 10 hours, needed for an IFE power plant.|The Electra KrF laser demonstrates 90,000 shots over 10 hours, needed for an IFE power plant.