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If A Tree Falls In A Forest
"If a tree falls in a forest and no one is around to hear it, does it make a sound?" is a philosophical thought experiment that raises questions regarding observation and perception. History While the origin of the phrase is sometimes mistakenly attributed to George Berkeley, there are no extant writings in which he discussed this question. The closest are the following two passages from Berkeley's ''A Treatise Concerning the Principles of Human Knowledge'', published in 1710: But, say you, surely there is nothing easier than for me to imagine trees, for instance, in a park, or books existing in a closet, and nobody by to perceive them. The objects of sense exist only when they are perceived; the trees therefore are in the garden... no longer than while there is somebody by to perceive them. Despite these passages bearing a distant resemblance to the question, Berkeley never actually proposed the question itself. However, his work did deal extensively with the question of whet ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fallen Tree2
Fallen may refer to: People * Carl Fredrik Fallén (1764–1830), Swedish botanist and entomologist * Gabriel Toledo (born 1991), known as FalleN, Brazilian ''Counter-Strike'' player Arts, entertainment, and media Fictional entities * Fallen (Transformers), a fictional character in the Transformers universes Films * ''Fallen'' (1998 film), a 1998 film starring Denzel Washington, John Goodman, and Donald Sutherland * ''Fallen'' (2016 film), a 2016 film starring Addison Timlin, Jeremy Irvine, and Harrison Gilbertson * ''Fallen'' (film series), an American film series starring Gerard Butler Literature * ''Fallen'' (George novel), a 2004 crime novel by Kathleen George * ''Fallen'' (Kate novel), a 2009 young adult fantasy novel by Lauren Kate * ''Fallen'' (Slaughter novel), a 2011 crime novel by Karin Slaughter Music Albums * ''Fallen'' (Burzum album), 2011 * ''Fallen'' (Evanescence album), 2003 * ''Fallen'' (Fields of the Nephilim album), 2002 * ''Fallen'' (For My ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Anthropic Principle
The anthropic principle, also known as the "observation selection effect", is the hypothesis, first proposed in 1957 by Robert Dicke, that there is a restrictive lower bound on how statistically probable our observations of the universe are, because observations could only happen in a universe capable of developing intelligent life. Proponents of the anthropic principle argue that it explains why this universe has the age and the fundamental physical constants necessary to accommodate conscious life, since if either had been different, we would not have been around to make observations. Anthropic reasoning is often used to deal with the notion that the universe seems to be finely tuned for the existence of life. There are many different formulations of the anthropic principle. Philosopher Nick Bostrom counts them at thirty, but the underlying principles can be divided into "weak" and "strong" forms, depending on the types of cosmological claims they entail. The weak anthropic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dear Evan Hansen
''Dear Evan Hansen'' is a musical with music and lyrics by Benj Pasek and Justin Paul, and a book by Steven Levenson. The musical follows Evan Hansen, a high school senior with social anxiety, "who invents an important role for himself in a tragedy that he did not earn". The musical opened on Broadway at the Music Box Theatre in December 2016, after the show's world premiere at the Arena Stage in Washington, D.C. in July 2015, and an Off-Broadway production at Second Stage Theatre from March to May 2016. The show closed on September 18, 2022. Upon opening, the show received critical acclaim. At the 71st Tony Awards, it was nominated for nine awards, winning six, including Best Musical, Best Book, Best Score, Best Actor for Ben Platt, and Best Featured Actress for Rachel Bay Jones. A film adaptation was directed by Stephen Chbosky and co-produced by Marc Platt, the father of Ben Platt, who reprised his performance in the title role. Released on September 24, 2021, it was ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Northwest Trek
Northwest Trek Wildlife Park is a wildlife park located near the town of Eatonville, Washington, United States. The park is home to black and grizzly bears, grey wolves, bald eagles, a cougar, wolverines, bobcats and more. Its primary feature is a tram tour which takes visitors through a free-roam area. The park also allows guests to drive their own vehicles past bison, mountain goats, Roosevelt elk, deer, caribou, swans and more on a Wild Drive tour. Guests can also take a premier Keeper Adventure Tour and go off-road in a Jeep with a keeper and up close to wildlife. The Zip Wild zipline is also open seasonally. Northwest Trek Wildlife Park is accredited by the Association of Zoos and Aquariums (AZA). The park and its companion zoo, Point Defiance Zoo & Aquarium in Tacoma, are both owned and operated by Metro Parks Tacoma. History In 1971, founders David and Connie Hellyer donated their vacation property near Eatonville to Metro Parks Tacoma to be set aside as a wildlife pr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Deforestation
Deforestation or forest clearance is the removal of a forest or stand of trees from land that is then converted to non-forest use. Deforestation can involve conversion of forest land to farms, ranches, or urban use. The most concentrated deforestation occurs in tropical rainforests. About 31% of Earth's land surface is covered by forests at present. This is one-third less than the forest cover before the expansion of agriculture, a half of that loss occurring in the last century. Between 15 million to 18 million hectares of forest, an area the size of Bangladesh, are destroyed every year. On average 2,400 trees are cut down each minute. The Food and Agriculture Organization of the United Nations defines deforestation as the conversion of forest to other land uses (regardless of whether it is human-induced). "Deforestation" and "forest area net change" are not the same: the latter is the sum of all forest losses (deforestation) and all forest gains (forest expansion) in a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Big Circumstance
''Big Circumstance'' is the sixteenth full-length album by Canadian singer/songwriter Bruce Cockburn. The album was released in 1989 by True North Records. Rounder Records issued a remastered CD of the album in 2005 with a new acoustic version of "If a Tree Falls" as a bonus track. Reception In his retrospective review for Allmusic, critic Rob Caldwell wrote the album "was a move away from the somewhat dated, overblown sound of his previous World of Wonders, toward a leaner, more guitar-dominated sound... he takes pains to differentiate himself from right-wing Christianity and express his different view of the faith." Track listing All songs written by Bruce Cockburn. #"If a Tree Falls" – 5:43 #"Shipwrecked at the Stable Door" – 3:38 #"Gospel of Bondage" – 5:45 #"Don't Feel Your Touch" – 4:49 #"Tibetan Side of Town" – 6:59 #"Understanding Nothing" – 4:26 #"Where the Death Squad Lives" – 4:28 #"Radium Rain" – 9:22 #"Pangs of Love" – 5:18 #"The Gift" – 6:04 # ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bruce Cockburn
Bruce Douglas Cockburn ( ; born May 27, 1945) is a Canadian singer-songwriter and guitarist. His song styles range from folk to jazz-influenced rock and his lyrics cover a broad range of topics including human rights, environmental issues, politics, and Christianity. Cockburn has written more than 350 songs on 34 albums over a career spanning 50 years, of which 22 have received a Canadian gold or platinum certification as of 2018, and he has sold over one million albums in Canada alone. In 2014, Cockburn released his memoirs, '' Rumours of Glory''. In 2016, his album ''Christmas'' was certified 6 times platinum in Canada for sales of over 600,000. Early life and education Cockburn was born in 1945 in Ottawa, Ontario, and spent some time at his grandfather's farm outside of Chelsea, Quebec, but he grew up in Westboro, which was a suburb of Ottawa when he was a teenager. His father, Doug Cockburn, was a radiologist, eventually becoming head of diagnostic x-ray at the Ottawa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Environmentalist
An environmentalist is a person who is concerned with and/or advocates for the protection of the environment. An environmentalist can be considered a supporter of the goals of the environmental movement, "a political and ethical movement that seeks to improve and protect the quality of the natural environment through changes to environmentally harmful human activities". An environmentalist is engaged in or believes in the philosophy of environmentalism or one of the related philosophies. The environmental movement has a number of subcommunities, with different approaches and focuses – each developing distinct movements and identities. Environmentalists are sometimes referred to by critics with informal or derogatory terms such as "greenie" and "tree-hugger", with some members of the public associating the most radical environmentalists with these derogatory terms. Types The environmental movement contains a number of subcommunities, that have developed with different appro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Social Activist
Activism (or Advocacy) consists of efforts to promote, impede, direct or intervene in Social change, social, Political campaign, political, economic or Natural environment, environmental reform with the desire to make Social change, changes in society toward a perceived greater good. Forms of activism range from Mandate (politics), mandate building in a community (including writing letters to newspapers), petitioning elected officials, running or contributing to a political campaign, preferential patronage (or boycott) of businesses, and demonstrative forms of activism like Demonstration (protest), rallies, Demonstration (people), street marches, strikes, sit-ins, or hunger strikes. Activism may be performed on a day-to-day basis in a wide variety of ways, including through the creation of art (artivism), computer hacking (hacktivism), or simply in how one chooses to spend their money (economic activism). For example, the refusal to buy clothes or other merchandise from a comp ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sound Wave
In physics, sound is a vibration that propagates as an acoustic wave, through a transmission medium such as a gas, liquid or solid. In human physiology and psychology, sound is the ''reception'' of such waves and their ''perception'' by the brain. Only acoustic waves that have frequencies lying between about 20 Hz and 20 kHz, the audio frequency range, elicit an auditory percept in humans. In air at atmospheric pressure, these represent sound waves with wavelengths of to . Sound waves above 20 kHz are known as ultrasound and are not audible to humans. Sound waves below 20 Hz are known as infrasound. Different animal species have varying hearing ranges. Acoustics Acoustics is the interdisciplinary science that deals with the study of mechanical waves in gasses, liquids, and solids including vibration, sound, ultrasound, and infrasound. A scientist who works in the field of acoustics is an ''acoustician'', while someone working in the field of acoust ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Common Sense
''Common Sense'' is a 47-page pamphlet written by Thomas Paine in 1775–1776 advocating independence from Great Britain to people in the Thirteen Colonies. Writing in clear and persuasive prose, Paine collected various moral and political arguments to encourage common people in the Colonies to fight for egalitarian government. It was published anonymously on January 10, 1776, at the beginning of the American Revolution and became an immediate sensation. It was sold and distributed widely and read aloud at taverns and meeting places. In proportion to the population of the colonies at that time (2.5 million), it had the largest sale and circulation of any book published in American history. As of 2006, it remains the all-time best-selling American title and is still in print today. ''Common Sense'' made public a persuasive and impassioned case for independence, which had not yet been given serious intellectual consideration. Paine connected independence with common dissenting ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pressure
Pressure (symbol: ''p'' or ''P'') is the force applied perpendicular to the surface of an object per unit area over which that force is distributed. Gauge pressure (also spelled ''gage'' pressure)The preferred spelling varies by country and even by industry. Further, both spellings are often used ''within'' a particular industry or country. Industries in British English-speaking countries typically use the "gauge" spelling. is the pressure relative to the ambient pressure. Various #Units, units are used to express pressure. Some of these derive from a unit of force divided by a unit of area; the International System of Units, SI unit of pressure, the Pascal (unit), pascal (Pa), for example, is one newton (unit), newton per square metre (N/m2); similarly, the Pound (force), pound-force per square inch (Pounds per square inch, psi) is the traditional unit of pressure in the imperial units, imperial and United States customary units, U.S. customary systems. Pressure may also be e ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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