The umbra, penumbra and antumbra are three distinct parts of a shadow, created by any light source after impinging on an opaque object. Assuming no diffraction...

In United States constitutional law, the penumbra includes a group of rights derived, by implication, from other rights explicitly protected in the Bill...

Penumbra: Overture (also known as Penumbra: Overture – Episode One) is the first in a series of episodic survival horror games developed by Frictional...

In pathology and anatomy the penumbra is the area surrounding an ischemic event such as thrombotic or embolic stroke. Immediately following the event,...

Penumbra: Necrologue is a third-party total conversion modification released for Amnesia: The Dark Descent in 2014 by CounterCurrent Games. It was in development...

Look up penumbra or penumbral in Wiktionary, the free dictionary. The penumbra is the part of a shadow where the light source is only partially blocked...

Penumbra, Inc. is a medical device company headquartered in Alameda, California. The company was founded by Arani Bose and Adam Elsesser in 2004. It manufactures...

Penumbra: Requiem is an expansion pack to the game Penumbra: Black Plague developed by Frictional Games. Like the previous games, Requiem is an exploration-based...

Penumbra: Black Plague is the second installment of the Penumbra series of episodic video games developed by Frictional Games. The story continues from...

completely or only partially by a brighter region known as the penumbra. The penumbra is composed of radially elongated structures known as penumbral...

Acrolophus penumbra is a moth of the family Acrolophidae. It is found in South America. Beccaloni, G.; Scoble, M.; Kitching, I.; Simonsen, T.; Robinson...

penumbra, the outer portion of the shadow. A penumbral lunar eclipse occurs when part or all of the Moon's near side passes into the Earth's penumbra...

Gamma Penumbra is a Filipino all male shadow play group, best known for being the winners of the first season of Asia's Got Talent. El Gamma Penumbra comes...

other parts of Europe. Frictional's first game was Penumbra: Overture, based on a tech demo titled Penumbra and released in 2007. It was originally planned...

Mr. Penumbra's 24-Hour Bookstore is a 2012 novel by American writer Robin Sloan. It was chosen as one of the best 100 books of 2012 by the San Francisco...

The Penumbra Podcast is a science fiction and fantasy podcast. The Penumbra Podcast was created by Harley Takagi Kaner and Kevin Vibert. There are two...

The Penumbra Theatre Company, an African-American theatre company in Saint Paul, Minnesota, was founded by Lou Bellamy in 1976. The theater has been recognized...

Penumbra is a gothic metal band from Paris, France and formed in 1996. Their music is characterized by using a classical mixture of female and male voices...

the path of the eclipse's antumbra occurred over the Pacific Ocean. The penumbra was visible from Hawaii, eastern Oceania, southern and central South America...

divided into the umbra, penumbra, and antumbra. The wider the light source, the more blurred the shadow becomes. If two penumbras overlap, the shadows appear...

source begins blocking light from reaching the inside of the other object's penumbra, thereby expanding its umbra. This expansion of the further object's umbra...

Eulepidotis penumbra is a moth of the family Erebidae first described by Harrison Gray Dyar Jr. in 1914. It is found in the Neotropics, including French...

of Africa, parts of Asia, Europe and the Middle East. 33 minutes after Penumbra Phase started, Halifax, Canada, 01:14 UTC From Halifax, Canada, (Maximum)...

August 28, 2020. The release also features a live album, Live at Umbra Penumbra, a 1994 performance at a Portland café, thought to be the earliest-known...

Robin Sloan is an American author. His debut novel, Mr. Penumbra's 24-Hour Bookstore, was published in 2012. Sloan was born to a home economics teacher...

Psilogramma penumbra is a moth of the family Sphingidae. It is known from the Northern Territory and Western Australia. Moulds, Maxwell; Tuttle, James;...

Earth without touching the umbra. The path for the Moon to pass within the penumbra and outside the umbra is very narrow. It can only happen on the Earth's...

puzzles. The gameplay retains the physical object interaction used in the Penumbra series, allowing for physics-based puzzles and interactions such as opening...

"Penumbra" is the 167th episode of the television series Star Trek: Deep Space Nine, the 17th episode of the seventh season. It aired on syndicated television...

Penumbra is an album by multi-instrumentalist Bennie Maupin. It was recorded in California in 2003 and 2006, and was released in 2006 by Cryptogramophone...