Liquid helium

https://www.wikidata.org/wiki/Q1203476

Field Hierarchy

Parent
Physics 31.7M papers	Chemistry 28.4M papers	Quantum mechanics 13.1M papers	Organic chemistry 12.8M papers
Atomic physics 1.5M papers		Helium 78.2k papers
Current
Liquid helium 12.2k papers
Child
Lambda point refrigerator 655 papers		Lambda point 577 papers

Trends

Notes

History