This New Tech Cuts Through Rock Without Grinding Into It
A startup called Petra uses super-hot gas to penetrate bedrock. The method could make it cheaper to move utilities underground—and make electric lines safer. Learn more about your ad choices. Visit podcastchoices.com/adchoices
Business, Spoken · SpokenLayer
December 17, 20218m 38s
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Show Notes
A startup called Petra uses super-hot gas to penetrate bedrock. The method could make it cheaper to move utilities underground—and make electric lines safer.
Learn about your ad choices: dovetail.prx.org/ad-choices