Where are all the aliens? Video explores the Fermi paradox that questions why we haven't made contact with other civilisations despite the size of the universe
- Italian physicist Enrico Fermi posed a troubling question in 1950
- He asked, if life was abundant, why has no one made contact with us?
- No-one has been able to solve this so-called Fermi Paradox to date
- But a new video has taken a look at what the solutions might be