Scientists at Hongtuo Joint Laboratory in Wuhan, China, have invented a somewhat mysterious laser pen that lets users write in mid-air.
Scientists at Hongtuo Joint Laboratory in Wuhan, China, have invented what sounds like a mysterious yet fascinating laser pen that can write in mid-air — an intriguing approach that could, theoretically, be an onramp to "Star Wars"-esque hologram technology.yesterday that the pen uses ultra-short laser pulses to strip the electrons from air particles and turn them into light-emitting plasma with sufficient precision to form words in mid-air.
"With the brand new device, we can draw in the air without using paper and ink," lab lead scientist Cao Xiangdong told the state-affiliatedreported that the scientists said they used 3D scanning to arrange pixels and form Chinese characters, but didn't completely explain how the process works. Long story short, it sounds awesome, but we're gonna want to see more in the way of a demo.
The team is hoping the pen could someday be used in quantum computing, brain imaging and other advanced tech. Or maybe we'll even see some awesome new holographic technology.
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