Here in this video Neil deGrasse Tyson tells us how the periodic table once had gaps and how humans discovered and created elements like Technetium which doesn't exist in nature. The element is artificial man made and shows how humans extended nature’s periodic table from elements 1 to 94 up to element 118.#science #physics #education #technetium #periodictable #humans #elements #artifical #neildegrassetyson #shorts | The Quantum Circuit