Planck constant

Summary

Planck constant is a physical constant^[1]. It ranks in the top 5% of physical_constant entities by monthly Wikipedia readership (8,155 views/month).^[2]

Key Facts

• Planck constant is credited with the discovery of Max Planck^[3].
• Planck constant's instance of is recorded as physical constant^[4].
• Planck constant's instance of is recorded as UCUM constant^[5].
• Planck constant's instance of is recorded as action^[6].
• Planck constant's measured physical quantity is recorded as action^[7].
• Max Planck is named after Planck constant^[8].
• Planck constant's Commons category is recorded as Planck constant^[9].
• Planck constant's time of discovery or invention is recorded as 1901^[10].
• Planck constant's numeric value is recorded as {'unit': 'Q1709783', 'amount': '+0.000000000000000000000000000000000662607015'}^[11].
• Planck constant's different from is recorded as reduced Planck constant^[12].
• Planck constant's different from is recorded as molar Planck constant^[13].
• Planck constant's maintained by WikiProject is recorded as WikiProject Mathematics^[14].

Body

Definition and Type

Recorded instance of include physical constant^[4], UCUM constant^[5], and action^[6].

Origins

Max Planck is named after Planck constant^[8].

Why It Matters

Planck constant ranks in the top 5% of physical_constant entities by monthly Wikipedia readership (8,155 views/month).^[2] It has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.^[15] It is known by 40 alternative names across languages and contexts.^[16]