The accurate measurement of asphalt density is vital when it comes to ensuring the performance and quality of pavement construction. The BetterPyc 380 offers a hands-free solution for measuring ...

A complementary approach is to swap the helium gas for liquid helium, which has a much higher density. Sótér and colleagues found that this method could be used to measure very narrow lines in the ...

When most people think of helium, they think of balloons, which float as a result of the low density of the inert gas. However, helium has many uses beyond birthday party decorations. Helium plays a ...