11 Intriguing Engineering Milestones to Look for in 2023
Cars That Think
DECEMBER 30, 2022
These high-flying, low-tech aircraft are already in use for surveillance, hovering at 18,000 to 27,000 meters to track drug runners. As a bonus, the tech onboard the balloons runs on solar power. The transmission line will sidestep the growing difficulties of connecting renewable-energy sources to the power grid.
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