Demonstrates basic principles of water, including surface tension, pressure, and buoyancy. It shows how water can hold more than its brim due to surface tension, how pressure increases with depth ...

The paper clip is on the water but is not floating like a boat which is less dense than water. The paper clip is more dense than water but can rest on the surface of the water because of the water's ...

Discover the amazing properties of water's surface tension as you make metal paper clips float on water. You'll learn about the forces that hold water molecules together and how insects like water ...

Discover how surface tension keeps water molecules together and how soap can break this force. Watch as pepper flees from soap in water, demonstrating molecular interactions in an exciting way. Watch ...

The Journal of Infectious Diseases, Vol. 35, No. 6 (Dec., 1924), pp. 526-536 (11 pages) A systematic study of the surface tension of liquid culture mediums has been made. Nine standard mediums have a ...

The terminology for herbicidal additives is confusing. It is often assumed that any material that lowers the surface tension of water in the spray mixture or increases the wetability of the spray ...

I SHALL be obliged if you can find space for the accompanying translation of an interesting letter which I have received from a German lady, who with very homely appliances has arrived at valuable ...

On Monday, March 17, for the first time in over 50 years, the US government refused to send water from the Colorado River to Tijuana, a city of nearly two million inhabitants that suffers from ...