Today, scientists are close to creating a gamma ray laser gun for use in military and other areas. Here's a quote from the article.
"The difference in the power available from a gamma-ray laser compared to a normal laser is the same as the difference between a nuclear explosion and a chemical explosion," said Dr David Cassidy of the University of California, Riverside, and one of the authors of the paper.
"It would have an incredibly high power density."
Read the whole article here: