COPENHAGEN ¨C In 2023, Mads Petersen, owner of Greenland-based startup Arctic Unmanned, sat in a car to keep warm while he tested a small drone at minus 43 degrees Celsius.
The cold soon drained the drone¡¯s power.
¡°The battery only lasted for three minutes,¡± he said.
With your current subscription plan you can comment on stories. However, before writing your first comment, please create a display name in the Profile section of your subscriber account page.