The world’s quietest room is -9 decibels, quiet enough to…

The world’s quietest room is -9 decibels, quiet enough to hear your blood flowing. It is so quiet that the longest anybody has been able to bear it is 45 minutes.

Source: Learn about Interesting Facts and Amazing Facts plus a whole lot of Fun Facts and Strange Facts

INTERESTING FACTS

UNBELIEVABLE FACTS

Unbelievable Facts

Leave a Reply

Your email address will not be published. Required fields are marked *