Iam an eternally curious hiker limited by my awful memory and paltry 5G signal. I may want to know the name of a valley underneath the cliff’s edge in North Cascades National Park in Washington state or the staggering peak most reminiscent of the Matterhorn nearby, but I’ll leave that trail in ignorance. That was why I was so intrigued by Unistellar’s Envision binoculars . The expensive pair of semi-AR spectacles can not only identify nearby mountains; they can finally reveal the constellations in the night sky if my day hike becomes a mad-scramble midnight jaunt.

I trekked with Unistellar cofounder and CEO Laurent Marfisi to try the device firsthand. We did not attend far outside of civilization—our sojourn took us an hour and a half north by train to Ossining, NY. The Envision binocul

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