4 ms·
For anyone struggling to make sense of this: I have a physics PhD, I have spent most of my career in fundamental research, I have read the Wikipedia article and
by _8091149529 6y ago
For anyone struggling to make sense of this: I have a physics PhD, I have spent most of my career in fundamental research, I have read the Wikipedia article and other references multiple times, and attended several talks, and I still don't understand what qualifies as a time crystal. All I know that it seems to have something to do with subharmonic response.
- systemvoltage 6y agoThe more deeper you get in a particular field, the more you realize how no one else has a clue. It's time we put credentials aside, I found this amusing: https://en.wikipedia.org/wiki/Michael_Crichton#GellMannAmnesiaEffect https://en.wikipedia.org/wiki/Michael_Crichton#GellMannAmnes...
- dingoegret 6y agoThat was a good little read and mirrors my sentiments about media consumption exactly. People who have a specialized knowledge about a subject will often find themselves reading false information about serious topics from media about their subject of knowledge. Lowering the credibility of that media in their eyes and preparing themselves to be more skeptical of information output from that media. Then flip to another subject they are totally uninformed on and believe word for word everything that is said to them no matter how utterly ridiculous.
- boibombeiro 6y agoThe irony is that this applies to hacker news.
- WildParser 6y agoI don't really know what those people in physics do, but as a mathematician my definition of a time-crystal would be a 4-dimensional discrete structure. You have some 4-dimensional symmetries. Just rotating in 3D is a bit boring. Interesting symmetries would be where you get the time-axis involved. 4D is most likely a bit boring - having more dimensions and more time-dimensions helps greatly to get more symmetries to work with...