President Barack Obama has already played nearly eight times as many rounds of golf during his presidency as President George W. Bush did throughout his eight years in office, according to noted presidential chronicler of all things numerical, CBS Newsâ Mark Knoller.
Community + Effective = Coffective. The Coffective App is a tool for pregnant women and her supporters, including: fathers, grandmothers and friends. It was built by a community of experts that want to help you be effective at setting and reaching your goals. The app is fun and easy to use.
Caustic (optics) Caustics produced by a glass of water. In optics, a caustic or caustic network is the envelope of light rays reflected or refracted by a curved surface or object, or the projection of that envelope of rays on another surface. The caustic is a curve or surface to which each of the light rays is tangent, defining a boundary of an envelope of rays as a curve of concentrated light. Therefore, in the adjacent image, the caustics can be the patches of light or their bright edges. These shapes often have cusp singularities. Nephroid caustic