2 ms·
Of course, they haven't measured it since the 1960s because the body heat of a scientist going in to measure it changes it a little bit.
by beckingz 5y ago
Of course, they haven't measured it since the 1960s because the body heat of a scientist going in to measure it changes it a little bit.
- M2Ys4U 5y agoHowever or whenever they measure the prototype kilogram, it weighs[0] exactly 1kg by definition. [0] Well, not any more as the kilogram was redefined in 2019