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2. Low Earth orbit - Wikipedia

   en.wikipedia.org/wiki/Low_Earth_orbit

   NASA's Orbital Debris Program tracks over 25,000 objects larger than 10 cm diameter in LEO, while the estimated number between 1 and 10 cm is 500,000, and the number of particles bigger than 1 mm exceeds 100 million. [19] The particles travel at speeds up to 7.8 km/s (28,000 km/h; 17,500 mph), so even a small impact can severely damage a ...

3. What it's like being a helicopter pilot in Antarctica, where ...

   www.aol.com/heres-being-helicopter-pilot...

   Helicopter travel is different in Antarctica. ... you can see up to 100 miles of the Antarctic Peninsula on a clear day," Mutch said, speaking about his favorite sites. "It's not unusual to have ...

4. Maglev - Wikipedia

   en.wikipedia.org/wiki/Maglev

   In July 2021, the CRRC 600 maglev, planned to travel at up to 600 km/h (370 mph), was unveiled in Qingdao. [66] It was reported to be the world's fastest ground vehicle. [67] A high-speed test track is under development in China and also, in April 2021, there was consideration given to re-opening the Emsland test facility in Germany. [62]

5. Overlanding - Wikipedia

   en.wikipedia.org/wiki/Overlanding

   Overlanding or 4WD Touring is self-reliant overland travel to remote destinations where the journey is the principal goal. Typically, but not exclusively, it is accomplished with mechanized off-road capable transport (from bicycles to trucks) where the principal form of lodging is camping, often lasting for extended lengths of time (months to years) and spanning international boundaries.

6. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

7. Non-line-of-sight propagation - Wikipedia

   en.wikipedia.org/wiki/Non-line-of-sight_propagation

   While this mode is very short duration, often only from a fraction of second to couple of seconds per event, digital Meteor burst communications allows remote stations to communicate to a station that may be hundreds of miles up to over 1,000 miles (1,600 km) away, without the expense required for a satellite link. This mode is most generally ...

8. 100 Miles to a Better Retirement - AOL

   www.aol.com/2012/09/12/100-miles-to-a-better...

   "100 miles is not far." --Karl Meltzer With all due respect to ultrarunning great Karl Meltzer, the idea of running 100 miles not only seems far to most people; it seems downright impossible.

9. AUKUS navies remote-control ships from 10,000 miles away in ...

   www.aol.com/news/aukus-navies-remote-control...

   The navies of Britain, Australia and the U.S. were able to control uncrewed ships in Australia while sitting more than 10,000 miles away in Portugal as part of a series of military experiments ...