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Hot air balloon set a record for altitude
Many scientists were shocked when the first time a balloon could fly into space, reaching a record high of 28.8km, more than the previous record to 6.4km.
Altitude
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Articles about Altitude
153 published items.
New technology
Russia's super-terrorist helicopter
A Russian company successfully built a helicopter capable of high altitude and anti-corrosion.
New technology
'Kite eyes' criminal observation in the city
US police have tested a device with high-altitude observation that people on the ground do not see. The unmanned aerial vehicle, which looks like a child's remote co…