Lift the transparency film with the top ruler and water drop about 1.3 centimeters up and do your best to measure the length of a millimeter indication of the bottom ruler, as seen through the ...

But if the pan's temperature is well above water's boiling point, "gleaming drops resembling quicksilver" will form and will skitter across the surface. It's called the " Leidenfrost effect" in ...

Is it not the fact that sunshine causes a kind of “greasiness” which makes drops of water roll up when in contact with glass instead of spreading uniformly over the surface? I have frequently ...

No shortage of clever iPhone camera hacks exist, but Scientific American found out that adding a drop of water on the lens of the camera creates a free magnifying glass and some cool effects. The ...

Figure 1: Schematic illustration of the centrifugal adhesion balance and a water drop on graphene. Figure 3: Effect of time on drop retention force for various systems. Although the regions of ...