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- Hacker News
- So much hype in the article and in the paper for it being "programmable" when it's just... UV reactive? Like, cool but calm down
> In outdoor daylight conditions, including shade, the UV content of incident sunlight is sufficient to activate PhotoTat to a photostationary state
https://www.cell.com/matter-light/fulltext/S3117-5848(26)001...
by xgulfie - A cool concept, but regular daylight making it disappear again sounds pretty annoying.by Retr0id
- Why not have e-ink in your skin..by tiku
- Instead of focusing on tattoos, could we work on this being used for bistable displays, like e-ink but using light pulses to transition each pixel?by teucris
- Despite the limitations, that is dope as heck.by phyzome
- This probably has some cool applications for magicians to do unique tricks where certain things appear on their skin.by jogu
- Regardless of the actual tech here, "he turned his tattoos off" has "the door dilated" vibes. Very cool.by flir
- Johnny Mnemonic meets Blade Runner vibe: A duo is assigned to hunt a network of data smugglers who use "toggle tattoos" to transport encrypted secrets with zero knowledge. Starring Jason Statham and Liam Neeson. Brought to you by Carl's Jr.