Hackaday3y
Measuring Planck’s Constant With LEDs And A DMM
That’s pretty much all you need for instruments to determine Planck’s constant to a decent degree of precision, the way that [poblocki1982]’s did. There’s a little more to it, of course ...
PBS6y
Planck discovers the quantum nature of energy
The wavelength emitted is a function of the energy times a constant (h), now known as Planck's constant. Though Planck's idea was not immediately believed by most physicists, it is now accepted as ...
Scientists Want to Define the Kilogram by Gravity—Not Electricity. They’re Onto Something.
Now, the kilogram is defined in relation to the Planck constant, the smallest amount of energy a photon can carry. With this constant, scientists can make ultra-precise mass measurements using the ...
Hosted on MSN29d
Scientists Want to Define the Kilogram by Gravity—Not Electricity. They’re Onto Something.
Now, the kilogram is defined in relation to the Planck constant, the smallest amount of energy a photon can carry. With this constant, scientists can make ultra-precise mass measurements using the ...