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.
Why It's Super. A member of the algae family, edible seaweed typically comes in three varieties: brown, red and green. The most commonly eaten (and researched) are the brown varieties such as kelp and wakame, followed by red seaweed, which includes nori (yep -- that's what most sushi chefs use).t might be time for a change: Seaweed is filled with antioxidants, calcium and a broad range of vitamins, but that doesn't begin to scratch the slippery brown surface of this fascinating food.