stackyFACTSIntelligence agencies do not always need hidden microphones to eavesdrop. By bouncing an invisible infrared laser off a window pane, they can perfectly reconstruct the audio of a conversation happening inside based entirely on the microscopic vibrations of the glass.
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Indoor plants only care about specific light spectrums, so we blast them with aggressive nightclub lighting. Chlorophyll primarily absorbs red and blue light…
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Harnessing the immense power of the sun involves aiming thousands of giant mirrors at a central tower until the dense salt inside boils. This glowing vat of…
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Joseph Nicéphore Niépce captured the oldest surviving photographic image in 1826 or 1827, which required placing a camera obscura facing out of his upstairs…
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Welcome to the void. This material traps 99.96% of visible light, meaning if you stare at a 3D object coated in it, your brain just registers a terrifyingly…
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Forget spinning laser buckets strapped to the roof of autonomous cars. Solid-state lidar relies on optical phased arrays to steer light using pure physics…
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Looking deep into the cosmos requires less glass-crafting and more aggressive metal-bending. Giant glass lenses would sag under their own weight and distort…
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