'In 1960 the wavelength of light from krypton-86 was used to define this measurement, also 39.37"'
meter
ISOTOPES: In 1960 the wavelength of light from krypton-86 was used to define this measurement, also 39.37"
In 1960 the wavelength of light from krypton-86 was used to define this measurement, also 39.37"
In 1960 the wavelength of light from krypton-86 was used to define this measurement, also 39.37"
ISOTOPES
meter
ISOTOPES