National Colorado startup says it has a viable smart gun that only shoots for registered user 4:28pm April 21, 2023 by Ryan Lucas Business Share URL copied to clipboard! Copyright 2023 NPR. To see more, visit https://www.npr.org. 300x250 Ad More All Things Considered Science Shortwave podcast explores Pluto's planetary demotion National Appalachian writer revisits J.D. Vance's 'Hillbilly Elegy' by Andrew Limbong 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate