French fighter jets shot down high-altitude balloons with air-to-air missiles in a recent test. France warned that the battle for near-space is heating up and pointed to China's spy balloon over the ...

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The list of items you can purchase at Costco just keeps getting bigger. Apart from the normal run of intriguing Costco gadgets, that list now includes a 7500 Watt Running/9400W Peak Tri Fuel Generator ...

Airplanes cruise at altitudes of several thousand feet above the ground for most parts of their journeys. If the sole purpose were to avoid buildings, airplanes wouldn't need to fly above 3,000 feet — ...