"Busting through the Times building. What if it was the Princess Martha? What if it was a residential building?" ...

Matter is made up of small particles called atoms. Atoms can exist on their own or together as molecules. Atoms are very small and around 100,000,000 of them end to end would measure 1 centimetre ...

Mashable is a global, multi-platform media and entertainment company.

Get the full experience! Unlock access to all videos with the Unlimited Trains.com Membership.