Search results
Results from the WOW.Com Content Network
sr is the unit, steradian, sr = rad 2. Because the surface area A of a sphere is 4πr 2, the definition implies that a sphere subtends 4π steradians (≈ 12.56637 sr) at its centre, or that a steradian subtends 1/4π ≈ 0.07958 of a sphere. By the same argument, the maximum solid angle that can be subtended at any point is 4π sr.
The customary design on coins is a portrait of a notable individual (living and/or deceased) on the obverse or reverse, unless the subject is depicted on both sides of the coin. Elizabeth II , former Queen of the Commonwealth realms and their territories and dependencies, features on more coins than any other person.
Directory of featured pictures Animals · Artwork · Culture, entertainment, and lifestyle · Currency · Diagrams, drawings, and maps · Engineering and technology · Food and drink · Fungi · History · Natural phenomena · People · Photographic techniques, terms, and equipment · Places · Plants · Sciences · Space · Vehicles · Other ...
Celebrate Pi Day (3.14) this March 14 with some extra laughs.
I though that this photo, which is IMHO encyclopedic, eye pleasing and also representing Dielectric Shaders and 3D models can be a good addition to FP considering that a wikipedian made it. It contains more than 4000 digits of pi. Here is 3 different colors of it; It appears is pi articles and it's made by User:Don bertone. Nominate and support ...
Some rare coins have reached a certain level of fame because of their backstories. Find Out: These 11 Rare Coins Sold for Over $1 Million Discover Next: 4 Things You Must Do When Your Savings ...
The American Women quarters program is a series of quarters featuring notable women in U.S. history, commemorating the centennial of the Nineteenth Amendment to the United States Constitution. [1] The United States Mint is issuing five designs each year from 2022 to 2025 for 20 total designs.
Images are always tradeoffs between quality and file size. The latter concern is aggravated by animations, which contain much more information than the equivalently sized static image; this animation contains 45 distinct frames. JPEG photos are handled well by MediaWiki but not animated GIFs. This format depends for small file size on a palette ...