A special optical setup makes the normally invisible movement of air, heat, and gas suddenly visible on camera. Breath, rising warmth, flame distortion, and even escaping vapor appear as shifting ...
Scientists at MIT have developed open-source software that can reveal details in videos that are otherwise invisible. This software -- which works with videos on YouTube or DVD -- can reveal the blood ...
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Invisible gears powered by magnetism
What if gears could spin without touching each other? Discover how magnets make invisible motion possible in this fascinating experiment. The United States and Iran were close to an agreement, but ...
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