When I talk with young people about science and engineering I try to use everyday examples, but often come up with something too complicated, which leads to a lengthy, confusing explanation. This ...

To the editor - The April 29 letter, "Water math lesson" uses information from the operational comments of the Status Report. The section above these comments contains details of the management and ...

Imagine that you have before you two beakers, one containing a liter of water; the other, a liter of wine. One cubic centimeter of water is transferred to the beaker of wine and the wine and water ...