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Chinese scientists detect ‘spy balloon’ as small as F-35 stealth fighter on radar
The radar cross-section (RCS) of the balloon used in the test was only 16 square centimetres (2.48 square inches) . In comparison, the RCS of the F-35 stealth fighter is generally considered to be ...
Business Insider1y
Why Hot Air Balloons Are So Expensive
An curved arrow pointing right. Hot-air balloons have been around for centuries. They're certified aircraft for those looking to take the slow and scenic route, but owning one can set you back ...