Crowds in Hall 3 at Beijing’s Shougang Park last week kept stopping at a small tank. A slender golden fish with layered scales was rising, sinking, and turning with a soft flick of its tail. Only after it changed course on its own did most people accept they were watching a machine, not an arowana […]
Arquivos de Tag: Swims
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Photo credit: Raphael Zufferey / John FreidahEngineers at MIT have built a compact machine that flaps its wings to travel through air and water with equal capability. The device tips the scales at 250 grams and reaches flight speeds near 6 meters per second while managing almost 1 meter per second when submerged. It also […]