Meniscus (liquid) the meniscus. This means that any instrument is calibrated for a specific liquid, usually water. Menisci are a manifestation of capillary action, by which surface adhesion pulls a liquid up to form a concave meniscus or internal cohesion pulls the liquid down to form a convex meniscus. This phenomenon is important in transpirational pull in plants. When a tube of a narrow bore, often called a capillary tube, is dipped into a liquid and the liquid wets the tube (with zero contact angle), the liquid surface inside the tube forms a concave meniscus, which is a virtually spherical surface having
Ghetto Day/What I Need Ghetto Day/What I Need "Ghetto Day"/"What I Need" is the second single from American singer-songwriter Crystal Waters' second studio album, "Storyteller" (1994). It was produced by The Basement Boys and released in June 1994 by Mercury Records, A&M Records and A&M's division AM PM. Waters and Sean Spencer wrote "Ghetto Day", which is a funk song that contains samples from The 5th Dimension's song "Stoned Soul Picnic" and Flavor Unit's "Flavor Unit Assassination Squad". According to "Spin", the track's lyrics talk about "those balmy, front-stoop, 40-swinging summer afternoons." The single's second A-side, "What I Need", is a house track written