From the article: “There are more likely explanations for the levitation, explains Richard Greene, a condensed matter physicist at the University of Maryland,

From the article: “There are more likely explanations for the levitation, explains Richard Greene, a condensed matter physicist at the University of Maryland, including magnetic properties in the compound in its normal, non-superconducting state. The betting markets probably had it right: Odds are the new era is not yet upon us.”