School math, multimedia, and technology tutorials.
Updated GeoGebra Tutorials (now compatible with GeoGebra 4.0)
Welcome to the 84th edition of the Carnival of Mathematics. The 83rd edition was posted at Teaching Beside Me.
We have a few entries for this edition. Some were submitted via email and some came from my subscriptions. Here are the entries for this edition.
For the Adventurous Travelers
Katie Erika tours us around the world of Most Mathematically Interesting Buidlings at Tripbase.
Ivars Peterson takes us to Geometreks in Boston posted at Mathematical Tourist.
Adventurous you say? The Physicist has an intuitive and superb explanation on “How wormholes can be used for time travel?” posted at Ask a Mathematician.
This is a perfectly good knob to use. Grab it, turn it, pull (or push), and the door swings open. So it meets your needs. Or does it? Does it meet ALL your needs, your universal set of needs, needs that arise in different situations, different contexts?
Well, suppose you are rushing down the corridor in your office building, with a cup of coffee in one hand, the other clutching a folder or file. You are late. You run up to the door and see the same round knob as above. Can you open the door with it when both your hands are “occupied”? Continue reading…