Ask Ethan: Why Haven't We Bumped Into Another Universe Yet?

If the multiverse is real, why hasn't our Universe, in a sea of infinite possibilities, run into another one at least once?

from Forbes Real Time https://www.forbes.com/sites/startswithabang/2018/02/24/ask-ethan-why-havent-we-bumped-into-another-universe-yet/
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