Billions of people around the world are now on lockdown. That means there's a whole lot less action on the planet's surface. One result of that is that the earth is shaking less. And scientists can tell.
Posts tagged as “measurement”
For over 200 years, the world has weighed things in kilograms. And for around 130 years, the weight of a kilogram has been based on one piece of metal. That is about to change.