ÐÓ°ÉÔ­´´

Rip off

Try tearing a piece of sticky tape across its width and you’re asking for trouble but, if you nick it with a sharp object first, it tears easily. Why?

Daniel Albert, Science Museum, London, UK

Topics: Last Word

More from New ÐÓ°ÉÔ­´´

Explore the latest news, articles and features