[HN Gopher] Scientists trap light inside a magnet
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Scientists trap light inside a magnet
Author : geox
Score : 48 points
Date : 2023-08-20 16:28 UTC (6 hours ago)
(HTM) web link (www.ccny.cuny.edu)
(TXT) w3m dump (www.ccny.cuny.edu)
| tooltower wrote:
| "Light trapped inside a magnetic crystal can strongly enhance its
| magneto-optical interactions."
|
| It's an interesting article, but bad title. The novelty isn't in
| trapping light, but in how this material's optical properties
| change in response to a magnetic field.
| combat-banana wrote:
| I wonder if this will lead to co-applications with
| https://en.m.wikipedia.org/wiki/Ion_trap (s)
| dfee wrote:
| [flagged]
| smolder wrote:
| You couldn't hit DENY ALL?
|
| I'd like to remind everyone talking about GDPR that cookie
| banners aren't even necessary under GDPR if you simply do not
| use tracking cookies on your website.
| woodpanel wrote:
| GDPR is an absolute novelty for EU laws as they are extra-
| territorial, they assume every website in the world that is
| accessible to EU citizens must protect EU citizen's data
| privacy rights.
|
| Websites (eg their owners) can get slapped with an uncapped
| penalty fee that is ambiguously oriented around a company's
| sales volume - disregarding that this could even bankrupt
| companies (as sales don't mean net earnings).
|
| Both artifacts (extra territoriality and severity) are
| extremely bold, something completely unique and unheard of from
| the EU, especially when fiddling around with American
| Businesses.
|
| Which makes one wonder how a nobody like Jan Philipp Albrecht
| [1] came into a position to single handedly ruin browsing UX
| for the whole world.
|
| Did he actually benefit US interests? Or that of the American
| cookie oligarchy (Meta, Google, Amazon, ...)? After all he is a
| member of the Greens, which sort of have a history of being
| bought off from Washington [2].
|
| [1] https://en.m.wikipedia.org/wiki/Jan_Philipp_Albrecht
|
| [2] https://www.telepolis.de/features/Cem-Oezdemir-Der-gruene-
| US...
| ClumsyPilot wrote:
| > can get slapped with an uncapped penalty fee
|
| They were sick of US megacorps breaking laws and paying
| pitifull fines after a decade in court. It was more
| profitable to break the law and pay the fine.
| alucardo wrote:
| i use https://www.i-dont-care-about-cookies.eu/
| _joel wrote:
| I wouldn't, if I were you.
| https://news.ycombinator.com/item?id=32850799
|
| I use Consent-o-matic - https://consentomatic.au.dk/
| breckenedge wrote:
| Source article:
| https://www.nature.com/articles/s41586-023-06275-2
| [deleted]
| dustingetz wrote:
| EM waves are bent by magnetic fields? i thought
| linearity/superposition meant they'd sum with the field and pass
| right through
| gus_massa wrote:
| IIUC, they are using a semiconductor and the photons are
| transformed by the crystal into electron-hole pairs. It's a
| very non linear material.
| [deleted]
| Enginerrrd wrote:
| Classically and in vacuum I think your intuition is right.
| However in this case, I think this is happening in bulk
| materials not in vacuum, and there are other interactions on
| the atomic scale so light propagating through the lattice has
| weird affects.
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(page generated 2023-08-20 23:01 UTC)