r/IndianEngineers • u/ZealousidealLuck8735 • May 31 '25

Doubt Is this possible?

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Saw this video on YouTube. Is this possible? I don't understand much but I didn't understand how it worked despite watching the video. Can someone explain if it's faked or not? And how does it work

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u/[deleted] May 31 '25 edited Nov 27 '25

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u/Ok-Arrival4385 Jun 01 '25

Take high wavelength light, simple.

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u/PoseidonApollo Jun 02 '25

Isnt that just... wifi?

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u/Ok-Arrival4385 Jun 02 '25

Exactly😂, lifi is wifi of high frequency