Downforce - Airfoils. 1  The amount of downforce created by the wings or spoilers on a car is dependent primarily on two things... 2  The shape, including surface area, aspect ratio and cross-section of the device, and. 3  The device's orientation (or angle of attack).
Types of Seaweed. The simplest of the seaweeds are among the cyanobacteria, formerly called the blue-green algae, and green algae (division Chlorophyta), found nearest the shore in shallow waters and usually growing as threadlike filaments, irregular sheets, or branching fronds.
Stinking seaweed that smells of rotten eggs invades beaches in Florida and Texas - with some hit by piles that are 10ft high. Sargassum seaweed is a brown free-floating algae that grows atop water and blooms in the Sargasso Sea. In small quantities it is a critical habitat for sea turtles, eels, shrimp and other marine life to feed, hide and spawn.