Humans when Earth makes a revolution around the Sun: 🥳🎆🎇
Humans when electron makes a rotation around nucleus: ☝️+1
Humans when Caesium-133 oscillates 9192631770 times: 🌬
Humans when electron makes a rotation around nucleus: ☝️+1
Humans when Caesium-133 oscillates 9192631770 times: 🌬