Comment on: Observation of the Wigner-Huntington transition to metallic hydrogen

Understand

In a recently published article [1], Ranga P.

• Dias & Isaac F.
• Silvera have reported the visual evidence of metallic hydrogen concomitantly with its characterization at a pressure of 495 GPa and low temperatures.
• We have expressed serious doubts of such a conclusion when interviewed to comment on this publication [2,3].