Incredible Flying Jet Packs

When the jet pack took its first flight in the 1960s, it was loud, difficult to pilot, and could stay in the air for about 30 seconds. Over 50 years later, not much has changed. But visionary engineers are hard at work to make them quieter, safer, and more practical.

Δεν έχετε κάνει Δωρεάν εγγραφή.