physical_consts1: STS Unavailable

physical_consts1 defines the following Names, but STS signatures are not currently available.

• absolute_zero
• zero_Celsius
• zero_Fahrenheit
• light_year
• speed_of_light
• Planck_constant
• mole
• gravitational_constant
• Avogadros_constant
• Faradays_constant
• gas_constant
• Loschmidt_constant
• magnetic_constant
• Boltzmann_constant