Livingetc on MSN

Forget 'Perfect Geometry' and Working Triangles — This Is How Designers Lay Out Kitchens for the Way You Actually Move Around the Room

Understanding this flow of movement can help you to better design your space. "Getting the spacing right between appliances, ...
Scientific American

Math Puzzle: Falling Through

Some say the reason most manhole covers are round is that a circle cannot fall through a smaller circular hole. Which of ...