It is common that we just take for granted the existence of certain daily use tools or artifacts, without considering that their solely existence is based on quantum physics effects.
“That’s one small step for [a] man, one giant leap for mankind”; Today marks the 50th anniversary since Neil Armstrong said these words while he was setting foot on the Moon surface.
The Apollo missions and the Saturn V rocket are a collection of superlatives, unique creations and ingenuity; that were indispensable to be able to achieve one of the greatest feats of humanity, to put the first human beings on the Moon.
Gravity, the attractive force between two masses, is what keeps us close to the earth, given the gravitational effect it exerts on us. To get rid of Earth’s gravity, you need an opposite force. It is the escape velocity what’s required to make it
Newton’s theory of gravity explains the effect of this force on matter but doesn’t explain its cause. It was the genius of Einstein who solved this mystery when he presented his theories of special and general relativity. Theory that is reaching its 100 years of being proven.