50 years ago, nuclear blasting for gas boomed. Today it’s a bust.
Excerpt from the December 17, 1966, issue of Science News

NUCLEAR FRACKING In 1967, scientists lowered a 29-kiloton nuclear device deep underground, then detonated it at a depth of 4,240 feet. The explosion was intended to stimulate production of natural gas, as part of Project Gasbuggy.
Energy.gov/Flickr