Archimedes' principle - Principle of flotation. 1  Archimedes' principle shows buoyant force and displacement of fluid. 2  Any floating object displaces its own weight of fluid.
Typical foods for a low-carb diet. In general, a low-carb diet focuses on proteins, including meat, poultry, fish and eggs, and some nonstarchy vegetables. A low-carb diet generally excludes or limits most grains, legumes, fruits, breads, sweets, pastas and starchy vegetables, and sometimes nuts and seeds. Some low-carb diet plans allow small amounts of certain fruits, vegetables and whole grains.
Lunch and Dinner Foods. Healthy, low-calorie, low-carb lunch and dinner options include grilled chicken breast, baked unbreaded fish, seafood, lean red meats, reduced-fat cheese and nonstarchy vegetables -- including cucumbers, leafy greens, broccoli, cauliflower, asparagus, tomatoes, mushrooms and bell peppers.