I saw this puzzle the other day.
You have two fuses. Each fuse is a piece of string, that burns for exactly 1 minute. However, the fuse doesn’t burn evenly, so cutting the fuse in half doesn’t give you two 30 second fuses.
I saw this puzzle the other day.
You have two fuses. Each fuse is a piece of string, that burns for exactly 1 minute. However, the fuse doesn’t burn evenly, so cutting the fuse in half doesn’t give you two 30 second fuses.
This article by Tim Harford should be compulsory reading for every teacher, educational administrator and politician.
If you’ve ever been cured of a stomach ulcer, you can be thankful for the work of an Australian scientist, Dr Barry Marshall. As a young researcher, he and a colleague developed the idea that stomach ulcers were not just caused by stress, but by a bacterium that somehow managed to survive the hydrochloric acid in our digestive system.
Often movies include scenes showing math. Often, the math is on a blackboard or whiteboard in a character’s room or office, or in the background of the credits roll at the end of the show. The intended effect is, I guess, to tell the audience “this character is a genius of some sort, he or she is going to provide the hero with some amazing invention or information that will help defeat the villain”.
The EPSRC, or “Engineering and Physical Sciences Research Council” is the body in the UK that decides what kinds of research in the physical sciences will get government grant money. Grant money is needed for advanced research in mathematics for the following reasons :