Solar Impulse Sets World Record: 117 Hours & 52 Minutes — Longest Solo Flight Ever…
Originally published on 1Sun4All. You may already have seen the announcement that Solar Impulse 2 (Si2) arrived safely in Hawaii on Friday, July 3. Now you can read all the stats in the latest news from Solar Impulse: The longest and most difficult leg of the round-the-world solar flight attempted since last March … [continued]