Powers of Ten takes us on an adventure in magnitudes
In 1998, "Powers of Ten" was selected for preservation in the United States National Film Registry by the Library of Congress as being "culturally, historically, or aesthetically significant".
It's not just children who like to build towers with Lego - the internet is alive with discussion on how many Lego bricks, stacked one on top of the other, it would take to destroy the bottom brick. So what's the answer?Click here to find out
The hum that helps to fight crime
A hum that comes from mains electricity has allowed forensic scientists to establish whether recordings are genuine