2967: Matter - Revision history

172.70.211.233: /* Explanation */ correction per talk

2024-08-15T05:20:53Z

‎Explanation: correction per talk

141.101.99.190 at 14:35, 11 August 2024

2024-08-11T14:35:39Z

172.70.206.209: /* Explanation */ tangible works better

2024-08-08T20:23:57Z

‎Explanation: tangible works better

172.70.206.209: earlier simpler wording with "physical presence and material form" instead of "physical substance"

2024-08-08T20:23:14Z

earlier simpler wording with "physical presence and material form" instead of "physical substance"

172.68.186.57: 'substance' not well defined, in lay terms - exclusion essentially creates a minimum(ish) gap between ephemoral subatomic entities that creates the illusion of spongey-solidity, but that would be too long to properly describe without argument

2024-08-08T12:03:55Z

'substance' not well defined, in lay terms - exclusion essentially creates a minimum(ish) gap between ephemoral subatomic entities that creates the illusion of spongey-solidity, but that would be too long to properly describe without argument

162.158.186.4: /* Explanation */ revert to previous simpler wording

2024-08-08T03:01:18Z

‎Explanation: revert to previous simpler wording

Pressforaction: /* Explanation */

2024-08-07T08:07:25Z

‎Explanation

172.70.210.218: /* Explanation */ pedantic improvement

2024-08-06T21:31:42Z

‎Explanation: pedantic improvement

172.70.160.248: /* Explanation */ Messy sentence improved, and another change.

2024-08-06T15:33:14Z

‎Explanation: Messy sentence improved, and another change.

162.158.187.2: /* Explanation */ unnecessary conjunction

2024-08-06T08:45:10Z

‎Explanation: unnecessary conjunction

@@ Line 10: / Line 10: @@
 ==Explanation==
-In {{w|skateboarding}}, the term "goofy" means to push with the left foot, using the {{w|Footedness#Goofy_stance|opposite stance}} to the supposedly standard stance of pushing with one's right foot. The comic uses those stances as an analogy for {{w|antimatter}} in particle physics, which has the opposite electrical charge of corresponding matter particles that will annihilate each other upon collision, releasing energy proportional to their combined mass. In this comic, famed professional skateboarder {{w|Tony Hawk}} has obtained a professorship in physics and is teaching this very non-standard concept. As Tony Hawk does not have a degree in physics,{{Citation needed}} teaching inaccurate lessons could be a likely pitfall of his gaining a professorship in real life. Hawk is also the subject of [[296: Tony Hawk]].
+In {{w|skateboarding}}, the term "goofy" refers to a skater using the {{w|Footedness#Goofy_stance|goofy stance}}, with the skater's right foot at the front of the board and left foot at the rear. This is backwards from how most right-handed people feel most natural when stepping on a skateboard. In this comic, famed professional skateboarder {{w|Tony Hawk}}, who skates goofy-footed, has obtained a professorship in physics and is teaching about {{w|antimatter}} in particle physics, which has the opposite electrical charge of corresponding matter particles that will annihilate each other upon collision, releasing energy proportional to their combined mass. As Tony Hawk does not have a degree in physics,{{Citation needed}} teaching inaccurate or very non-standard lessons such as this one could be a likely pitfall of his gaining a professorship in real life. Hawk is also the subject of [[296: Tony Hawk]].
 Unlike other distributions of 'handedness' in the natural world (chemical {{w|chirality}}, or the {{w|skewness}} of {{w|Multimodal distribution|bimodal statistics}} describing asymmetries in nature called {{w|homochirality}}), 'goofy-footed' skateboarders are about as common as those using standard footing. Thus the analogy indirectly raises the issue of {{w|baryon asymmetry}}, the observation that ordinary matter is very much more common than antimatter because there is so little evidence of annihilation throughout the universe. Baryon asymmetry is often thought to have resulted from fluctuations during {{w|Inflation (cosmology)|cosmological inflation}} between 10<sup>−33</sup> and 10<sup>−32</sup> seconds [https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.121.251301 after the Big Bang], although there are several other candidate explanations of varying falsifiability.

← Older revision		Revision as of 14:35, 11 August 2024
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	==Explanation==		==Explanation==
−	~~{{incomplete\|Created by a GOOFY FRONTSIDE WIKI GRIND TO SECRET PHYSICS DEMO TAPE - Please change this comment when editing this page. Do NOT delete this tag too soon.}}~~
−
	In {{w\|skateboarding}}, the term "goofy" means to push with the left foot, using the {{w\|Footedness#Goofy_stance\|opposite stance}} to the supposedly standard stance of pushing with one's right foot. The comic uses those stances as an analogy for {{w\|antimatter}} in particle physics, which has the opposite electrical charge of corresponding matter particles that will annihilate each other upon collision, releasing energy proportional to their combined mass. In this comic, famed professional skateboarder {{w\|Tony Hawk}} has obtained a professorship in physics and is teaching this very non-standard concept. As Tony Hawk does not have a degree in physics,{{Citation needed}} teaching inaccurate lessons could be a likely pitfall of his gaining a professorship in real life. Hawk is also the subject of [[296: Tony Hawk]].		In {{w\|skateboarding}}, the term "goofy" means to push with the left foot, using the {{w\|Footedness#Goofy_stance\|opposite stance}} to the supposedly standard stance of pushing with one's right foot. The comic uses those stances as an analogy for {{w\|antimatter}} in particle physics, which has the opposite electrical charge of corresponding matter particles that will annihilate each other upon collision, releasing energy proportional to their combined mass. In this comic, famed professional skateboarder {{w\|Tony Hawk}} has obtained a professorship in physics and is teaching this very non-standard concept. As Tony Hawk does not have a degree in physics,{{Citation needed}} teaching inaccurate lessons could be a likely pitfall of his gaining a professorship in real life. Hawk is also the subject of [[296: Tony Hawk]].

@@ Line 18: / Line 18: @@
 The title text describes Hawk as the first person to "land a 900," meaning the [https://www.youtube.com/watch?v=4YYTNkAdDD8&t=1m30s successful completion] of {{w|900 (skateboarding)|a skateboarding trick}} that involves two and a half rotations (nine hundred degrees, as 2.5 × 360° = 900°). In physics, {{w|Spin (physics)|spin}} is a {{w|quantum number}} describing subatomic particles (see [[1862: Particle Properties]]), named in reference to the vaguely analogous ''but crucially distinct'' concept of {{w|angular momentum}} in classical physics. Obeying {{w|Fermi–Dirac statistics}} requires that the particles involved are {{w|fermion}}s, which include all of the electrons, protons and neutrons that compose the entirety of everyone's body and electrochemical state. Fermions all have {{w|half-integer}} (i.e., ...–1½, –½, ½, 1½...) {{w|spin quantum number}}s which do indeed include 2½, but only [https://physics.aps.org/articles/v7/s137 extremely rare particles] have a spin of 5/2. However, it's very important to remember that [https://www.youtube.com/watch?v=pYeRS5a3HbE&ab_channel=ScienceClicEnglish quantum mechanical spin is ''not'' rotation, but instead how quickly the corresponding particle changes state when rotated.]
-While everyone (and almost everything we ordinarily interact with except light and cosmic rays) is composed entirely of fermions, {{w|Boson#Composite bosons|any composite particle made of an even number of fermions, including entire atoms and their nuclei, are not fermions}} but {{w|boson}}s, which do ''not'' obey Fermi–Dirac statistics. Luckily, landing a 900 does not actually require obedience to Fermi–Dirac statistics because a skateboarder composed entirely of bosonic atoms would still have fermionic electrons in the orbitals of those atoms and thus would still obey the far more macroscopically fundamental and consequential {{w|Pauli exclusion principle}}. That principle gives atoms and molecules, which are almost entirely empty space, physical presence and material form, allowing us to hold things, walk, make sound waves with our voices, employ any mechanical property of matter, and allowing sufficiently skilled skateboarders to land a 900.
+While everyone (and almost everything we ordinarily interact with except light and cosmic rays) is composed entirely of fermions, {{w|Boson#Composite bosons|any composite particle made of an even number of fermions, including entire atoms and their nuclei, are not fermions}} but {{w|boson}}s, which do ''not'' obey Fermi–Dirac statistics. Luckily, landing a 900 does not actually require obedience to Fermi–Dirac statistics because a skateboarder composed entirely of bosonic atoms would still have fermionic electrons in the orbitals of those atoms and thus would still obey the far more macroscopically fundamental and consequential {{w|Pauli exclusion principle}}. That principle gives atoms and molecules, which are almost entirely empty space, tangible presence and material form, allowing us to hold things, walk, make sound waves with our voices, employ any mechanical property of matter, and allowing sufficiently skilled skateboarders to land a 900.
 ==Transcript==

@@ Line 18: / Line 18: @@
 The title text describes Hawk as the first person to "land a 900," meaning the [https://www.youtube.com/watch?v=4YYTNkAdDD8&t=1m30s successful completion] of {{w|900 (skateboarding)|a skateboarding trick}} that involves two and a half rotations (nine hundred degrees, as 2.5 × 360° = 900°). In physics, {{w|Spin (physics)|spin}} is a {{w|quantum number}} describing subatomic particles (see [[1862: Particle Properties]]), named in reference to the vaguely analogous ''but crucially distinct'' concept of {{w|angular momentum}} in classical physics. Obeying {{w|Fermi–Dirac statistics}} requires that the particles involved are {{w|fermion}}s, which include all of the electrons, protons and neutrons that compose the entirety of everyone's body and electrochemical state. Fermions all have {{w|half-integer}} (i.e., ...–1½, –½, ½, 1½...) {{w|spin quantum number}}s which do indeed include 2½, but only [https://physics.aps.org/articles/v7/s137 extremely rare particles] have a spin of 5/2. However, it's very important to remember that [https://www.youtube.com/watch?v=pYeRS5a3HbE&ab_channel=ScienceClicEnglish quantum mechanical spin is ''not'' rotation, but instead how quickly the corresponding particle changes state when rotated.]
-While everyone (and almost everything we ordinarily interact with except light and cosmic rays) is composed entirely of fermions, {{w|Boson#Composite bosons|any composite particle made of an even number of fermions, including entire atoms and their nuclei, are not fermions}} but {{w|boson}}s, which do ''not'' obey Fermi–Dirac statistics. Luckily, landing a 900 does not actually require obedience to Fermi–Dirac statistics because a skateboarder composed entirely of bosonic atoms would still have fermionic electrons in the orbitals of those atoms and thus would still obey the far more macroscopically fundamental and consequential {{w|Pauli exclusion principle}}. That principle gives atoms and molecules, which are almost entirely empty space, a means to establish an 'in contact' separation distance. By maintaining a sense of physical volume and structure, it allows us to hold things, walk, make sound waves with our voices and allows (sufficiently skilled) skateboarders to land a 900.
+While everyone (and almost everything we ordinarily interact with except light and cosmic rays) is composed entirely of fermions, {{w|Boson#Composite bosons|any composite particle made of an even number of fermions, including entire atoms and their nuclei, are not fermions}} but {{w|boson}}s, which do ''not'' obey Fermi–Dirac statistics. Luckily, landing a 900 does not actually require obedience to Fermi–Dirac statistics because a skateboarder composed entirely of bosonic atoms would still have fermionic electrons in the orbitals of those atoms and thus would still obey the far more macroscopically fundamental and consequential {{w|Pauli exclusion principle}}. That principle gives atoms and molecules, which are almost entirely empty space, physical presence and material form, allowing us to hold things, walk, make sound waves with our voices, employ any mechanical property of matter, and allowing sufficiently skilled skateboarders to land a 900.
 ==Transcript==

@@ Line 18: / Line 18: @@
 The title text describes Hawk as the first person to "land a 900," meaning the [https://www.youtube.com/watch?v=4YYTNkAdDD8&t=1m30s successful completion] of {{w|900 (skateboarding)|a skateboarding trick}} that involves two and a half rotations (nine hundred degrees, as 2.5 × 360° = 900°). In physics, {{w|Spin (physics)|spin}} is a {{w|quantum number}} describing subatomic particles (see [[1862: Particle Properties]]), named in reference to the vaguely analogous ''but crucially distinct'' concept of {{w|angular momentum}} in classical physics. Obeying {{w|Fermi–Dirac statistics}} requires that the particles involved are {{w|fermion}}s, which include all of the electrons, protons and neutrons that compose the entirety of everyone's body and electrochemical state. Fermions all have {{w|half-integer}} (i.e., ...–1½, –½, ½, 1½...) {{w|spin quantum number}}s which do indeed include 2½, but only [https://physics.aps.org/articles/v7/s137 extremely rare particles] have a spin of 5/2. However, it's very important to remember that [https://www.youtube.com/watch?v=pYeRS5a3HbE&ab_channel=ScienceClicEnglish quantum mechanical spin is ''not'' rotation, but instead how quickly the corresponding particle changes state when rotated.]
-While everyone (and almost everything we ordinarily interact with except light and cosmic rays) is composed entirely of fermions, {{w|Boson#Composite bosons|any composite particle made of an even number of fermions, including entire atoms and their nuclei, are not fermions}} but {{w|boson}}s, which do ''not'' obey Fermi–Dirac statistics. Luckily, landing a 900 does not actually require obedience to Fermi–Dirac statistics because a skateboarder composed entirely of bosonic atoms would still have fermionic electrons in the orbitals of those atoms and thus would still obey the far more macroscopically fundamental and consequential {{w|Pauli exclusion principle}}. That principle gives atoms and molecules, which are almost entirely empty space, physical substance, allowing us to hold things, walk, make sound waves with our voices, employ any mechanical property of matter, and allowing sufficiently skilled skateboarders to land a 900.
+While everyone (and almost everything we ordinarily interact with except light and cosmic rays) is composed entirely of fermions, {{w|Boson#Composite bosons|any composite particle made of an even number of fermions, including entire atoms and their nuclei, are not fermions}} but {{w|boson}}s, which do ''not'' obey Fermi–Dirac statistics. Luckily, landing a 900 does not actually require obedience to Fermi–Dirac statistics because a skateboarder composed entirely of bosonic atoms would still have fermionic electrons in the orbitals of those atoms and thus would still obey the far more macroscopically fundamental and consequential {{w|Pauli exclusion principle}}. That principle gives atoms and molecules, which are almost entirely empty space, a means to establish an 'in contact' separation distance. By maintaining a sense of physical volume and structure, it allows us to hold things, walk, make sound waves with our voices and allows (sufficiently skilled) skateboarders to land a 900.
 ==Transcript==

@@ Line 16: / Line 16: @@
 Unlike other distributions of 'handedness' in the natural world (chemical {{w|chirality}}, or the {{w|skewness}} of {{w|Multimodal distribution|bimodal statistics}} describing asymmetries in nature called {{w|homochirality}}), 'goofy-footed' skateboarders are about as common as those using standard footing. The analogy indirectly raises the issue of {{w|baryon asymmetry}}, the observation that ordinary matter is very much more common than antimatter because there is so little evidence of annihilation throughout the universe. Baryon asymmetry is often thought to have resulted from fluctuations during {{w|Inflation (cosmology)|cosmological inflation}} between 10<sup>−33</sup> and 10<sup>−32</sup> seconds [https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.121.251301 after the Big Bang], although there are several other candidate explanations of varying falsifiability.
-The title text describes Hawk as the first person to "land a 900," meaning the [https://www.youtube.com/watch?v=4YYTNkAdDD8&t=1m30s successful completion] of {{w|900 (skateboarding)|a skateboarding trick}} that involves two and a half rotations, or nine hundred degrees (2.5 × 360° = 900°). In physics, {{w|Spin (physics)|spin}} is a {{w|quantum number}} describing subatomic particles (see [[1862: Particle Properties]]), named in reference to the vaguely analogous ''but crucially distinct'' concept of {{w|angular momentum}} in classical physics. Obeying {{w|Fermi–Dirac statistics}} requires that the particles involved are {{w|fermion}}s, which include all of the electrons, protons and neutrons that compose the entirety of everyone's body and electrochemical state. Fermions all have {{w|half-integer}} (i.e., ...–1½, –½, ½, 1½...) {{w|spin quantum number}}s which do indeed include 2½, but only [https://physics.aps.org/articles/v7/s137 extremely rare particles] have a spin of 5/2. However, it's very important to remember that [https://www.youtube.com/watch?v=pYeRS5a3HbE&ab_channel=ScienceClicEnglish quantum mechanical spin is ''not'' rotation, but instead how quickly the corresponding particle changes state when rotated.]
+The title text describes Hawk as the first person to "land a 900," meaning the [https://www.youtube.com/watch?v=4YYTNkAdDD8&t=1m30s successful completion] of {{w|900 (skateboarding)|a skateboarding trick}} that involves two and a half rotations (nine hundred degrees, as 2.5 × 360° = 900°). In physics, {{w|Spin (physics)|spin}} is a {{w|quantum number}} describing subatomic particles (see [[1862: Particle Properties]]), named in reference to the vaguely analogous ''but crucially distinct'' concept of {{w|angular momentum}} in classical physics. Obeying {{w|Fermi–Dirac statistics}} requires that the particles involved are {{w|fermion}}s, which include all of the electrons, protons and neutrons that compose the entirety of everyone's body and electrochemical state. Fermions all have {{w|half-integer}} (i.e., ...–1½, –½, ½, 1½...) {{w|spin quantum number}}s which do indeed include 2½, but only [https://physics.aps.org/articles/v7/s137 extremely rare particles] have a spin of 5/2. However, it's very important to remember that [https://www.youtube.com/watch?v=pYeRS5a3HbE&ab_channel=ScienceClicEnglish quantum mechanical spin is ''not'' rotation, but instead how quickly the corresponding particle changes state when rotated.]
-While everyone (and almost everything we ordinarily interact with except light and cosmic rays) is composed entirely of fermions, {{w|Boson#Composite bosons|any composite particle made of an even number of fermions, including entire atoms and their nuclei, are not fermions}} but {{w|boson}}s, which do ''not'' obey Fermi–Dirac statistics. Luckily, landing a 900 does not actually require obedience to Fermi–Dirac statistics because a skateboarder comprised entirely of bosonic atoms would still have fermionic electrons in the orbitals of those atoms and thus would still obey the far more macroscopically fundamental and consequential {{w|Pauli exclusion principle}}. That principle gives atoms and molecules, which are almost entirely empty space, physical substance, allowing us to hold things, walk, make sound waves with our voices, employ any mechanical property of matter, and allowing sufficiently skilled skateboarders to land a 900.
+While everyone (and almost everything we ordinarily interact with except light and cosmic rays) is composed entirely of fermions, {{w|Boson#Composite bosons|any composite particle made of an even number of fermions, including entire atoms and their nuclei, are not fermions}} but {{w|boson}}s, which do ''not'' obey Fermi–Dirac statistics. Luckily, landing a 900 does not actually require obedience to Fermi–Dirac statistics because a skateboarder comprised entirely of bosonic atoms would still have fermionic electrons in the orbitals of those atoms and thus would still obey the far more macroscopically fundamental and consequential {{w|Pauli exclusion principle}}. That principle gives atoms and molecules (which are almost entirely empty space with any identifiable particles being the smallest of points distributed throughout the respective spaces) the properties of being physically substantive, allowing us to hold things, walk, make sound waves with our voices and everything else that we do corporeally. This may be considered a rather basic preequisite to land a 900, though it naturally also needs one to be a sufficiently skilled skateboarder.
 ==Transcript==