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 ...

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 ...

Study: Leidenfrost effect occurs in all three water phases: Solid, liquid, and vapor But there's a much higher threshold of 550° C for levitation of an ice disk to occur.

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 ...

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 ...