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Hypothetical mechanism for extracting energy from rotating black holes
The Penrose process (also called Penrose mechanism) is theorised by Sir Roger Penrose as a means whereby energy can be extracted from a rotating black
Penrose_process
English mathematician, mathematical physicist (born 1931)
Sir Roger Penrose (born 8 August 1931) is an English mathematician, mathematical physicist, and philosopher of science. He is Emeritus Rouse Ball Professor
Roger_Penrose
American astrophysicist
astrophysicist. She is the first person to successfully work out the Penrose process using Einstein's Theory of Relativity to extract energy from black
Reva_Williams
Exact solution for the Einstein field equations
hole was first proposed by the mathematician Roger Penrose in 1969 and is thus called the Penrose process. Rotating black holes in astrophysics are a potential
Kerr_metric
Region outside of a rotating black hole's event horizon
This process of removing energy from a rotating black hole was proposed by the mathematician Roger Penrose in 1969 and is called the Penrose process. The
Ergosphere
Claim that human mathematicians are not describable as formal proof systems
The Penrose–Lucas argument is a logical argument partially based on Kurt Gödel's first incompleteness theorem. In 1931, Gödel proved that every effectively
Penrose–Lucas_argument
Explanation for how quasars are powered
for a gamma-ray burst. As in the Penrose process, the ergosphere plays an important role in the Blandford–Znajek process. In order to extract energy and
Blandford–Znajek_process
2014 film by Christopher Nolan
team in 2019. Futura-Sciences praised the correct depiction of the Penrose process. According to Space.com, the portrayal of what a wormhole would look
Interstellar_(film)
Compact astronomical body
Blandford-Znajek process, which suggests that the dragging of magnetic field lines by a black hole's rotation could launch jets of matter into space. The Penrose process
Black_hole
Mathematical study of illumination of rooms with mirrored walls
The original problem was first solved in 1958 by Roger Penrose using ellipses to form the Penrose unilluminable room. He showed that there exists a room
Illumination_problem
Most widely known generalized inverse of a matrix
In mathematics, and in particular linear algebra, the Moore–Penrose inverse A + {\displaystyle A^{+}} of a matrix A {\displaystyle A} , often called
Moore–Penrose_inverse
British theoretical physicist (born 1929)
Oliver Penrose FRS FRSE (born 6 June 1929) is a British theoretical physicist and emeritus professor at Heriot-Watt University. His topics of interest
Oliver_Penrose
relativity Penrose process, or Penrose mechanism, a theoretical means whereby energy can be extracted from a rotating black hole Penrose singularity
List of things named after Roger Penrose
List_of_things_named_after_Roger_Penrose
Non-periodic tiling of the plane
Penrose tilings. Penrose tilings are self-similar: they may be converted to equivalent Penrose tilings with different sizes of tiles, using processes
Penrose_tiling
Black hole which possesses angular momentum
the expense of its rotational energy. This can happen through the Penrose process inside the black hole's ergosphere, in the volume outside its event
Rotating_black_hole
Concept in physics
requiring that an equal amount of positive energy should escape. In the Penrose process, a body divides in two, with one half gaining negative energy and falling
Negative_energy
Impossible object
The Penrose stairs or Penrose steps, also dubbed the impossible staircase, is an impossible object created by Oscar Reutersvärd in 1937 and later independently
Penrose_stairs
Measured time difference as explained by relativity theory
2016). "The Warped Science of Interstellar (4/6) : Time dilation and Penrose process". e-LUMINESCIENCES. Kranking, Carlyn (31 May 2019). Wagner, Ryan (ed
Time_dilation
Hypothetical quantum cosmological effect
Black hole thermodynamics Black hole starship Blandford–Znajek process and Penrose process, other extractions of black-hole energy Gibbons–Hawking effect
Hawking_radiation
Philosophical argument based on the theory of relativity
Putnam (1967). It is sometimes called the Rietdijk–Putnam–Penrose argument. Roger Penrose advanced a form of this argument that has been called the Andromeda
Rietdijk–Putnam_argument
Stream of ionized matter flowing away from a rotating astronomical object
a jet Accretion disk Bipolar outflow Blandford–Znajek process Herbig–Haro object Penrose process CGCG 049-033, elliptical galaxy located 600 million light-years
Astrophysical_jet
British geneticist
Shirley Victoria Penrose Hodgson (born 22 February 1945) is a British geneticist. Hodgson studied at Somerville College, Oxford. She worked as a GP, then
Shirley_Hodgson
1989 book by Roger Penrose
is a 1989 book by the mathematical physicist Roger Penrose that posits a quantum mind theory. Penrose argues that human consciousness is non-algorithmic
The_Emperor's_New_Mind
Effect in special relativity
also sometimes referred to as the Penrose–Terrell effect, the Terrell–Penrose effect or the Lampa–Terrell–Penrose effect. In 1924, a paper by Anton Lampa
Terrell_rotation
Theory of gravitation as curved spacetime
introduction to the necessary mathematics Poisson 2004. For the Penrose process, see Penrose 1969 Bekenstein 1973, Bekenstein 1974 The fact that black holes
General_relativity
Science fiction film by Claire Denis
Willow convinces Monte to board a shuttle with her and execute the Penrose process that, if successful, is supposed to slingshot them away from the black
High_Life_(2018_film)
emission. This could be possible in a gaser by a stimulated analog of the Penrose process. The particles must be in an inverted population, where more are in
Gravity_laser
Wave amplification in rotating objects
analogue to black hole superradiance and is closely related to the Penrose process. While theoretically established for decades, the effect was first
Zeldovich_amplification
Solution of Einstein field equations
Dadhich, Naresh (1985). "Energetics of the Kerr–Newman black hole by the penrose process". Journal of Astrophysics and Astronomy. 6 (2): 85–100. Bibcode:1985JApA
Kerr–Newman_metric
Diagram used to represent quantum field theory calculations
The diagrammatic notation can thus greatly simplify calculations. Roger Penrose described spin networks in 1971. Spin networks have since been applied
Spin_network
Physical quantity
for some of the universe's brightest persistent energy sources. The Penrose process is a theoretical method by which energy could be extracted from a rotating
Energy
Theory of a quantum origin of consciousness
thus algorithmic. However, Penrose determined that wave function collapse was a prime candidate for a non-computable process. In quantum mechanics, particles
Orchestrated objective reduction
Orchestrated_objective_reduction
Measure of a civilization's evolution
this is known as the Penrose process. However, this may only be possible for a Type III civilization. Star lifting is a process by which an advanced civilization
Kardashev_scale
Photon sphere Innermost stable circular orbit Ergosphere Penrose process Blandford–Znajek process Accretion disk Hawking radiation Gravitational lens Microlens
Lists_of_black_holes
American businessman (1865–1939)
Spencer Penrose (November 2, 1865 – December 7, 1939) was an American entrepreneur and philanthropist. He made his fortune from mining, ore processing, and
Spencer_Penrose
Estimates the mass of a spacetime in terms of the total area of its black holes
In mathematical general relativity, the Penrose inequality, first conjectured by Sir Roger Penrose, estimates the mass of a spacetime in terms of the total
Riemannian_Penrose_inequality
Space navigation technique
speed of light in the same direction as the black hole's spin. The Penrose process may offer a way to gain energy from the ergosphere, although it would
Gravity_assist
Recipient of the Victoria Cross (1918–1944)
Wing Commander Guy Penrose Gibson, VC, DSO & Bar, DFC & Bar (12 August 1918 – 19 September 1944) was a distinguished bomber pilot in the Royal Air Force
Guy_Gibson
Hospital in Colorado, United States
Penrose Hospital is a 364-bed hospital located in Colorado Springs, Colorado and owned by Penrose-Saint Francis Health Services. The campus includes Penrose
Penrose_Hospital
Physical effect when superradiant modes are confined around a rotating black hole
to a particle being scattered by it was proposed by Roger Penrose in 1971 (Penrose process). In 1972 Yakov Zel'dovich realised this was true also for
Black_hole_bomb
Conjecture in physics
called naked. The weak cosmic censorship hypothesis was conceived by Roger Penrose in 1969 and posits that no naked singularity is visible from infinity (namely
Cosmic_censorship_hypothesis
Black hole effect on a binary star
at 1,755 km/s (3,930,000 mph), almost 0.6% of the speed of light). Penrose process Hills, J. G (25 February 1988). "Hyper-velocity and tidal stars from
Hills_mechanism
Interpretation of quantum mechanics
The Penrose interpretation is a speculation by Roger Penrose about the relationship between quantum mechanics and general relativity. Penrose proposes
Penrose_interpretation
Mathematical theory of the geometry of space and time
polar e−–e+ jets intrinsically produced by rotating black holes and Penrose processes". The Astrophysical Journal. 611 (2): 952–963. arXiv:astro-ph/0404135
Curved_spacetime
Cosmic-ray particle with a kinetic energy above 1 EeV
into the black hole, while the other escapes, as described by the Penrose process. Some of those particles will collide with incoming particles; these
Ultra-high-energy_cosmic_ray
professor at École Polytechnique. 1995: Reva Williams works out the Penrose process for rotating black holes. 1997: Chemical element with atomic number
Women_in_physics
Analogies between Maxwell's and Einstein's field equations
polar e−e+ jets intrinsically produced by rotating black holes and Penrose processes". The Astrophysical Journal. 611 (2): 952–963. arXiv:astro-ph/0404135
Gravitoelectromagnetism
Overview of the scientific field of astronomy
Ergosphere Hawking radiation Penrose process Bondi accretion Spaghettification Gravitational lens Models Gravitational singularity (Penrose–Hawking singularity
Outline_of_astronomy
Fast-growing quasar
Photon sphere Innermost stable circular orbit Ergosphere Penrose process Blandford–Znajek process Accretion disk Hawking radiation Gravitational lens Microlens
SMSS_J215728.21–360215.1
Book by Roger Penrose
Roger Penrose that serves as a followup to his 1989 book The Emperor's New Mind: Concerning Computers, Minds and The Laws of Physics. Penrose hypothesizes
Shadows_of_the_Mind
Effect of general relativity
polar e−–e+ jets intrinsically produced by rotating black holes and Penrose processes". The Astrophysical Journal. 611 (2): 952–963. arXiv:astro-ph/0404135
Frame-dragging
Overview of and topical guide to black holes
due to quantum effects near the event horizon. Penrose process – process theorised by Roger Penrose wherein energy can be extracted from a rotating black
Outline_of_black_holes
Angular motion of a star about its axis
When the mass is ejected, the black hole loses angular momentum (the "Penrose process"). Rossiter–McLaughlin effect Donati, Jean-François (November 5, 2003)
Stellar_rotation
hole 1969 — Roger Penrose discusses the Penrose process for the extraction of the spin energy from a Kerr black hole 1969 — Roger Penrose proposes the cosmic
Timeline of black hole physics
Timeline_of_black_hole_physics
Solution of Einstein field equations
S2CID 125791608. Bhattacharya (2018). "Kerr-de Sitter spacetime, Penrose process and the generalized area theorem". Physical Review D. 97 (8) 084049
Kerr–Newman–de–Sitter_metric
Type of random mathematical object
125–126. ISBN 978-1-118-65825-3. Günter Last; Mathew Penrose (8 August 2017). Lectures on the Poisson Process (PDF). Sung Nok Chiu; Dietrich Stoyan; Wilfrid
Poisson_point_process
Fringe hypothesis
in brain activity." Penrose determined that wave function collapse was the only possible physical basis for a non-computable process. Dissatisfied with
Quantum_mind
American-born British economist
Edith Elura Tilton Penrose (November 15, 1914 – October 11, 1996) was an American-born British economist whose best known work is The Theory of the Growth
Edith_Penrose
claim now generally discounted. 1969 – Penrose proposes the (weak) cosmic censorship hypothesis and the Penrose process, 1969 – Misner introduces the mixmaster
Timeline of gravitational physics and relativity
Timeline_of_gravitational_physics_and_relativity
British physiologist and biochemist (1864–1956)
Leathes married Lionel Penrose MD, FRS, Professor of Genetics at University College, London in 1928, and was the mother of Oliver Penrose, the theoretical physicist;
John_Beresford_Leathes
Formation of Mongolia by a Polish-Mongolian team. Roger Penrose proposes the Penrose process. August 14–20 – Stanford prison experiment. Konrad Lorenz
1971_in_science
Number, approximately 1.618
Kepler, to present-day scientific figures such as Oxford physicist Roger Penrose, have spent endless hours over this simple ratio and its properties. .
Golden_ratio
American anesthesiologist
thought experiment.[citation needed] Penrose saw the principles of quantum theory as providing an alternative process through which consciousness could arise
Stuart_Hameroff
Hypothesis in physics
This process manifested itself e.g. in the formation of structure through the clumping of matter to form galaxies and clusters of galaxies. Penrose associates
Weyl_curvature_hypothesis
theoretical astrophysicist First person to successfully work out the Penrose process using Einstein's Theory of Relativity to extract energy from black
List of African-American women in STEM fields
List_of_African-American_women_in_STEM_fields
Israeli theoretical physicist and astrophysicist (born 1949)
supervision of J. Shaham and J. Katz at the Hebrew University of Jerusalem: Penrose process and on modeling of GRBs from instabilities around black holes. 1976-1977:
Tsvi_Piran
1939–1945 global conflict
Andrew (2004). "The greatest military armada ever launched". In Jane Penrose (ed.). The D-Day Companion. Oxford: Osprey Publishing. pp. 127–144.
World_War_II
Bengali writer and illustrator
experimented with the process of advanced blockmaking, and several of his technical articles about blockmaking were published in the Penrose Annual Volumes published
Upendrakishore_Ray_Chowdhury
Penning trap Penrose criterion Penrose diagram Penrose graphical notation Penrose interpretation Penrose process Penrose transform Penrose–Hawking singularity
Index_of_physics_articles_(P)
Contamination of blood products with HIV, Hepatitis B and hepatitis C
AIDS". Penrose Inquiry. "Preliminary Report Chapter 8: HIV and AIDS". Penrose Inquiry. "Brochure: Aids and how it concerns blood donors" (PDF). Penrose Inquiry
Infected blood scandal in the United Kingdom
Infected_blood_scandal_in_the_United_Kingdom
UK graphic arts review, 1895–1982
The Penrose Annual was a London-based review of graphic arts, printed nearly annually from 1895 to 1982. Penrose began in 1895 as Process Work Yearbook
The_Penrose_Annual
{\displaystyle \mathrm {G} } with its Moore–Penrose inverse (pseudoinverse). However, it has been shown that the Moore–Penrose pseudoinverse fails to preserve the
Relative_gain_array
Non-verbal test
intelligence). The tests were originally developed by John C. Raven and Lionel Penrose in 1936. In each test item, the subject is asked to identify the missing
Raven's_Progressive_Matrices
Geomorphologist and hydrologist
Science. 1992 - Awarded the Robert E. Horton Medal 1994 - Awarded the Penrose Medal 1994 - Awarded the Joan Hodges Queneau Palladium Medal 2006 - Awarded
Luna_Leopold
1346–1353 pandemic in Eurasia and North Africa
appears to refer to the fatal outcome of disease. The historian Elizabeth Penrose, writing under the pen-name "Mrs Markham", described the 14th-century outbreak
Black_Death
Fact that observing a situation changes it
Stewart Bell, 1981, Quantum Mechanics for Cosmologists. In C.J. Isham, R. Penrose and D.W. Sciama (eds.), Quantum Gravity 2: A second Oxford Symposium. Oxford:
Observer_effect_(physics)
Condition in which spacetime itself breaks down
string 2-dimensional singularity: domain wall Fuzzball (string theory) Penrose–Hawking singularity theorems White hole BKL singularity Initial singularity
Gravitational_singularity
1910 painting by Pablo Picasso
severe lines and less variation in colour. Penrose describes the painting as being composed through "the process of elimination of resemblance to the outer
Girl_with_a_Mandolin
Cyprus-based online gambling company
lists the trading name as "1XBET" and the registered address as MC Penrose Wharf, Penrose Quay, Cork. In 2019, The Sunday Times conducted an investigation
1xBet
Canadian rapper and singer (born 1986)
He Dated Rihanna in New Interview". HuffPost. Retrieved April 13, 2013. Penrose, Nerisha (May 3, 2018). "A Timeline of Rihanna & Drake's Complicated Relationship"
Drake_(musician)
American singer-songwriter (born 2001)
Vogue. Archived from the original on May 16, 2019. Retrieved May 27, 2019. Penrose, Nerisha (May 9, 2019). "Calvin Klein Debuts New #MyCalvins Campaign With
Billie_Eilish
English poet and cultural critic (1822–1888)
Laleham-on-Thames, Middlesex, the eldest son of Thomas Arnold and Mary Penrose Arnold. John Keble stood as godfather to Matthew. In 1828, Thomas Arnold
Matthew_Arnold
English actress (born 1986)
Archived from the original on 17 October 2019. Retrieved 27 February 2020. Penrose, Nerisha (15 January 2020). "Emilia Clarke Is Clinique's First-Ever Global
Emilia_Clarke
British Army officer (1896–1990)
Deposition in the process of hydraulic transport. Sedimentology 10(1):45–56. Bagnold, R.A. 1971. Response to presentation of the 1970 Penrose Medal. Geological
Ralph_Bagnold
2nd episode of the 1st season of Fringe
all had their pituitary glands removed. It is revealed that Dr. Claus Penrose (Mark Blum), an expert in progeria, is working to help his son Christopher
The_Same_Old_Story
Archived from the original on 2019-07-13. Retrieved 28 February 2015. Penrose, LS; Penrose, R. (1958). "Impossible objects: A special type of optical illusion"
List_of_optical_illusions
Book by Roger Penrose
science book on modern physics by the British mathematical physicist Roger Penrose, published in 2004. It covers the basics of the Standard Model of particle
The_Road_to_Reality
Puzzle of disappearance of information in a black hole
to Roger Penrose, loss of unitarity in quantum systems is not a problem: quantum measurements are by themselves already non-unitary. Penrose claims that
Black hole information paradox
Black_hole_information_paradox
Property of a thermodynamic system
can be considered to have generally increasing entropy, then – as Roger Penrose has pointed out – gravity plays an important role in the increase because
Entropy
English theoretical physicist (1942–2018)
muscle. Hawking's scientific works included a collaboration with Roger Penrose on gravitational singularity theorems in the framework of general relativity
Stephen_Hawking
Interpretation of quantum mechanics
model Diósi–Penrose (DP) model Collapse theories stand in opposition to many-worlds interpretation theories, in that they hold that a process of wave function
Objective-collapse_theory
German-born theoretical physicist (1879–1955)
(2010). Einstein, Podolsky & Rosen (1935). Peres (2002). Mermin (1993). Penrose (2007). Bell (1966). Fine (2017). Einstein (1950). Goenner, Hubert F. M
Albert_Einstein
Two interrelated physics theories by Albert Einstein
logical consequences and constraints that any physical process must obey. By observing natural processes, we understand their general characteristics, devise
Theory_of_relativity
American rapper and songwriter (born 1987)
Kendrick Lamar's 'The Heart' Series". HipHopDX. Retrieved October 11, 2023. Penrose, Nerisha (December 5, 2017). "4 Wildest Fan Theories About Kendrick Lamar's
Kendrick_Lamar
Canadian singer (born 1994)
Archived from the original on July 21, 2019. Retrieved January 29, 2018. Penrose, Nerisha (February 15, 2018). "Justin Bieber & Quavo Join 2018 NBA All-Star
Justin_Bieber
suit against God on behalf of his secretary, Betty Penrose, seeking $100,000 in damages. Penrose blamed God for his "negligence" in allowing a lightning
Lawsuits against supernatural beings
Lawsuits_against_supernatural_beings
Icon of the Virgin Mary in Poland
Francis (archive). "Shrine of Our Lady of Mercy – Penrose Park". Diocesan Shrine of Our Lady of Mercy Penrose Park. Retrieved 25 August 2022. "From Ocean to
Black_Madonna_of_Częstochowa
Hypothetical event
Jaron Lanier, Steven Pinker, Theodore Modis, Gordon Moore, and Roger Penrose. One claim is that artificial intelligence growth is likely to run into
Technological_singularity
Investigating an unfamiliar area
Spanish Seaborne Empire. Berkeley: University of California Press, 1990. Penrose, Boies. Travel and Discovery in the Renaissance 1420–1640. New York: Atheneum
Exploration
American singer-songwriter (born 1985)
Bruno Mars, Lorde, more". Tampa Bay Times. Retrieved December 28, 2019. Penrose, Nerisha (December 13, 2019). "The 52 Best Songs That Defined the 2010s"
Bruno_Mars
PENROSE PROCESS
PENROSE PROCESS
Male
Russian
(Пётр) Russian form of Greek Petros, PYOTR means "rock, stone."
Boy/Male
Australian, British, English, Irish
From the Piers; Tone; Rock
Boy/Male
Hindu, Indian
Prose
Boy/Male
Arabic, Muslim
Prose Writer
Male
Swedish
Swedish pet form of Greek Petros, PEHR means "rock, stone."
Male
Finnish
Finnish form of Greek Petros, PEKKA means "rock, stone."
Male
Finnish
Finnish form of Greek Petros, PIETARI means "rock, stone."
Male
Romanian
Romanian form of Greek Petros, PETRE means "rock, stone."
Girl/Female
Arabic
Fragments; Prose Writer
Boy/Male
Australian, Greek
A Rock; Form of Peter
Male
Polish
Polish form of Greek Petros, PIOTR means "rock, stone."
Boy/Male
Irish
Comes from the Norman French name “â€Piersâ€â€ and is still very popular as it is given to honor Patrick Pearse, one of the leaders of the Easter Rising of 1916 when Ireland won its independence from England.
Surname or Lastname
English
English : variant of Pearce.
Male
Norwegian
Danish and Norwegian form of Greek Petros, PEDER means "rock, stone."
Male
Finnish
Finnish form of Greek Petros, PETTERI means "rock, stone."Â
Male
Irish
Irish Gaelic form of Greek Petros, PIARAS means "rock, stone."
Boy/Male
German
Famous Commander
Boy/Male
Tamil
Prose
Male
Welsh
Welsh form of Greek Petros, PEDR means "rock, stone."
Male
Greek
Greek translation of the Aramaic byname Kephas, PETROS means "rock, stone." In the bible, this is the name of one of Christ's apostles. The name was given by Jesus to Simon son of Jona, to distinguish him from Simon Zelotes.Â
PENROSE PROCESS
PENROSE PROCESS
Surname or Lastname
English (mainly Lancashire)
English (mainly Lancashire) : habitational name from Tattershall in Lincolnshire, named from the genitive of the Old English personal name TÄthere (composed of an obscure element tÄt + here ‘army’) + Old English halh ‘nook’, ‘recess’. The surname has been common in Lancashire from an early period.
Boy/Male
Spanish
Stutters.
Boy/Male
Indian, Punjabi, Sikh
The Youth
Boy/Male
Hindu, Indian, Sanskrit
Diamond
Female
Hawaiian
Hawaiian name KEONA means "God's gracious gift."
Girl/Female
Polish Hindi
Intelligent.
Female
Chamoru
, bay, ocean, sea.
Girl/Female
Algerian, Arabic, French
Nurse
Boy/Male
Indian, Telugu
Lord Shiva
Boy/Male
Tamil
King of clouds
PENROSE PROCESS
PENROSE PROCESS
PENROSE PROCESS
PENROSE PROCESS
PENROSE PROCESS
n.
A ventouse.
n.
Honey of roses.
imp. & p. p.
of Peruse
imp. & p. p.
of Prose
v. t.
To reduce to prose.
a.
Operose.
p. pr. & vb. n.
of Prose
a.
Windy; flatulent.
p. pr. & vb. n.
of Peruse
superl.
Of or pertaining to prose; like prose.
v. t.
To read over, or peruse.
a.
Possessing or exhibiting unpoetical characteristics; plain; dull; prosaic; as, the prose duties of life.
a.
Of or pertaining to prose; resembling prose; in the form of prose; unpoetical; writing or using prose; as, a prosaic composition.
v. t.
To write in prose.
a.
Having numerous or conspicuous veins; veiny; as, a venose frond.
a.
Pertaining to, or composed of, prose; not in verse; as, prose composition.
a.
The sixth month of the calendar adopted by the first French republic. It began February 19, and ended March 20. See Vend/miaire.
v. t.
To peruse again.
v. i.
To write prose.
a.
Leprose.