The multiverse idea states that there are an arbitrarily large number of Universes like our own out there, embedded in our Multiverse. It's possible, but not necessary, for other pockets within the Multiverse to exist where the laws of physics are different.
The answers varied between people that know about the subject, and people that don’t want to risk an opinion or those who really don’t know anything about this issue and think is pure fantasy.
To help everyone to form an idea about this, I have found this article and I share it with you hoping that it would be useful.
Under the title This Is Why The Multiverse Must Exist, the serious magazine Forbes, in its section dedicated to Science, recently published this material: