14 good uses of eraser you don't know yet
The tiny eraser is too familiar to you but these 14 great uses you only know when you read this article.Shoe sole has the ability to warn mines
A Colombian designer has developed a shoe solver capable of detecting mines and sending dangerous warnings to shoe makers from a distance of two meters.FootLogger - shoe soles
Inside each FootLogger footbed contains a 3-axis accelerometer and eight pressure sensors, but it's quite compact.