A concave meniscus, which is what you normally will see, occurs when the molecules of the liquid are attracted to those of the container. This occurs with water and a glass tube. A convex meniscus occurs when the molecules have a stronger attraction to each other than to the container, as with mercury and glass.
Free French Forces. The Free French Forces (French: Forces franÃ§aises libres) were individuals or military units who joined Free France (la France libre), the resistance organisation founded by Charles de Gaulle in 1940 in London to continue the struggle against the Axis powers.
Verdun, Battle of Silent footage of German troops in action during the Battle of Verdun, 1916. Stock footage courtesy The WPA Film Library PÃ©tain brought a fresh armyâthe Secondâto the fight, and on February 25 he was given the formidable task of holding the right bank of the Meuse.