news.volyx.in

Possible Meissner effect near room temperature: copper-substituted lead apatite (arxiv.org)

729 points by zaikunzhang · 960 days ago · 318 comments on HN

Article summary

Researchers have discovered a material, copper-substituted lead apatite, that may exhibit superconductivity at room temperature, as indicated by the possible Meissner effect observed in their experiment. The material shows diamagnetic dc magnetization under a magnetic field of 25 Oe and paramagnetism under 200 Oe. The study suggests that this material could have novel electromagnetic effects, even if it is not a true superconductor. Further research is needed to confirm the findings.

Main themes

  • superconductivity
  • room temperature superconductors
  • materials science
  • scientific skepticism
  • public interest and funding
  • global power dynamics
  • technology hype and misinformation

What commenters say

  • The discovery of a potential room temperature superconductor is a significant step forward, but it is too early to determine its validity.
  • The scientific community should be cautious when evaluating claims of room temperature superconductivity due to the history of false claims.
  • Public interest and funding can accelerate research in this area, even if the current discovery does not pan out.
  • The possibility of a breakthrough in superconductivity could have significant implications for technology and global power dynamics.
  • Some commentators are skeptical of the discovery and believe it may be an incremental step rather than a breakthrough.
  • The discussion around superconductivity is often marred by hype and misinformation, particularly on social media.
  • The potential for a country like China to develop and utilize superconductivity technology covertly is a topic of speculation and debate.
  • The path to widespread application of any new technology is long and complex, and it is unlikely that a single discovery could disrupt the current global power balance overnight.