When it comes to measuring the "hardness" of a material, most tests are distinctly low-tech and basically involve pressing a diamond tip into the surface and measuring the size of the dent produced.

Anyone who has ever lugged a pallet of water down to the basement in preparation for the latest extreme weather event knows that water is heavy. How heavy? About 8.3 pounds per gallon. Now, scientists ...

FLINT, MI -- Initial testing of treated Flint River water shows it's meeting all quality standards set by the state but is also 70 percent harder than lake water. Michael Prysby, an engineer with the ...