Claimed superconductor LK-99 is an online sensation — but replication efforts fall short
Social media is abuzz with chatter about the material, but some scientists are pushing back on the hype.
Social media is abuzz with chatter about the material, but some scientists are pushing back on the hype.
After a spate of high-profile tenure denials, US academics are rethinking how this beleagured academic process can be made more fair.
Sandwich compounds are molecules in which two planar molecular rings sandwich a metal ion ‘filling’ between them. The chemistry of these compounds has been extended by the assembly of nano-rings from 18 identical sandwich-type building blocks.