Some numbers don't change. These values are deeply connected to the very fabric of the universe and our human existence. Until they aren't, of course. Then we change them - for good reason.
Tagged With kilogram
Stop the presses! Physicists at the National Institute of Standards and Technology have made a new measurement of Planck's constant to a highly accurate degree. It's the latest step toward improving the official definition of the kilogram, the unit of mass that underpins our entire international system of weights and measures.
Predicting the future is near impossible -- but that doesn‘t stop us all from having a red hot go. Human beings have been predicting the future since the beginning of history and the results range from the hilarious to the downright uncanny.
One thing all future predictions have in common: they‘re rooted in our current understanding of how the world works. It‘s difficult to escape that mindset. We have no idea how technology will evolve, so our ideas are connected to the technology of today.