2649: Physics Cost-Saving Tips - Revision history

Chronotix: /* Table of tips */

2026-04-01T09:28:25Z

‎Table of tips

172.70.91.166: /* Explanation */ punc

2024-05-02T14:02:04Z

‎Explanation: punc

Psychoticpotato: making an edit that is hopefully funny

2024-05-02T13:14:36Z

making an edit that is hopefully funny

172.71.178.136: /* Explanation */ Correcting a new wikilink. Wikilinkifying an old direct wikimedia link, while I'm here.

2023-07-04T18:04:20Z

‎Explanation: Correcting a new wikilink. Wikilinkifying an old direct wikimedia link, while I'm here.

SqueakSquawk4: Ordanance pun

2023-07-04T14:49:55Z

Ordanance pun

Fephisto: The abstract point still stands, also the munitions T-shirt is a reference and joke to a previous xkcd.

2022-11-14T16:20:47Z

The abstract point still stands, also the munitions T-shirt is a reference and joke to a previous xkcd.

172.70.219.36: /* Explanation */

2022-11-01T16:55:04Z

‎Explanation

172.70.214.253: /* Table of tips */ tighten

2022-10-31T00:34:04Z

‎Table of tips: tighten

172.70.214.253: Clarify

2022-10-31T00:33:13Z

Clarify

172.70.135.118: /* Table of tips */

2022-10-11T17:52:43Z

‎Table of tips

@@ Line 32: / Line 32: @@
 |-
 |A square wave can be broken down into an infinite supply of valuable sine waves
-|{{w|Fourier analysis}} can decompose any periodic function into a series of {{w|sine wave}}s. A {{w|square wave}} is equal to the sum of an infinite series of sine waves. However, the sine waves are not removed or separated individually, so such a {{w|Fourier transform}} does not produce a "supply" of sine waves for practical use in any tasks other than analysis, and as abstract mathematical objects are exempt from the laws of supply and demand ({{w|File:Munitions_T-shirt_(front).jpg|most of the time}}),
+|{{w|Fourier analysis}} can decompose any periodic function into a series of {{w|sine wave}}s. A {{w|square wave}} is equal to the sum of an infinite series of sine waves. However, the sine waves are not removed or separated individually, so such a {{w|Fourier transform}} does not produce a "supply" of sine waves for practical use in any tasks other than analysis, and as abstract mathematical objects are exempt from the laws of supply and demand ({{w|File:Munitions_T-shirt_(front).jpg|most of the time}}), this process would not be profitable in a monetary context.
 |-
 |Cut waste by buying lighter isotopes that don't have any dead-weight neutrons

@@ Line 16: / Line 16: @@
 {{User:SqueakSquawk4}} <!-- SqueakSquawk4 prefers this not be subst:ed -->
 {{cob}}
-The smallest nuclear bomb, the {{w|W54}}, had a yield of between 10 and 1,000 tons of TNT. The largest conventional bomb, the {{w|GBU-43/B MOAB}}, has a yield of roughly 11 tons. The {{w|2020 Beirut explosion}} was roughly equivalent to 500 tons. So, while the helium-2 balloon bomb would be larger than all conventional bombs, it would still be smaller than most nukes. Handing out what are effectively small atomic bombs at a county fair would not go down well with any surviving local authorities{{Citation needed}}, so merely being banned is a very mild punishment. Criminal charges such as mass murder and terrorism would be more likely if it weren't for the absurd impossibility of the scenario.
+The smallest nuclear bomb, the {{w|W54}}, had a yield of between 10 and 1,000 tons of TNT. The largest conventional bomb, the {{w|GBU-43/B MOAB}}, has a yield of roughly 11 tons. The {{w|2020 Beirut explosion}} was roughly equivalent to 500 tons. So, while the helium-2 balloon bomb would be larger than all conventional bombs, it would still be smaller than most nukes. Handing out what are effectively small atomic bombs at a county fair would not go down well with any surviving local authorities,{{Citation needed}} so merely being banned is a very mild punishment. Criminal charges such as mass murder and terrorism would be more likely if it weren't for the absurd impossibility of the scenario.
 The title text is likely also a pun, as the word "{{w|Local ordinance|ordinance}}" means a local law, and the very similar sounding word "[https://www.merriam-webster.com/dictionary/ordnance ordnance]" means artillery and other explosive weapons, which the balloon would qualify as.

@@ Line 16: / Line 16: @@
 {{User:SqueakSquawk4}} <!-- SqueakSquawk4 prefers this not be subst:ed -->
 {{cob}}
-The smallest nuclear bomb, the {{w|W54}}, had a yield of between 10 and 1,000 tons of TNT. The largest conventional bomb, the {{w|GBU-43/B MOAB}}, has a yield of roughly 11 tons. The {{w|2020 Beirut explosion}} was roughly equivalent to 500 tons. So, while the helium-2 balloon bomb would be larger than all conventional bombs, it would still be smaller than most nukes. Handing out what are effectively small atomic bombs at a county fair would not go down well with any surviving local authorities, so merely being banned is a very mild punishment. Criminal charges such as mass murder and terrorism would be more likely if it weren't for the absurd impossibility of the scenario.
+The smallest nuclear bomb, the {{w|W54}}, had a yield of between 10 and 1,000 tons of TNT. The largest conventional bomb, the {{w|GBU-43/B MOAB}}, has a yield of roughly 11 tons. The {{w|2020 Beirut explosion}} was roughly equivalent to 500 tons. So, while the helium-2 balloon bomb would be larger than all conventional bombs, it would still be smaller than most nukes. Handing out what are effectively small atomic bombs at a county fair would not go down well with any surviving local authorities{{Citation needed}}, so merely being banned is a very mild punishment. Criminal charges such as mass murder and terrorism would be more likely if it weren't for the absurd impossibility of the scenario.
-The title text is likely also a pun, as the word "{{w|Local ordinance|ordinance}}" means a local law, and the very similar sounding word "[https://www.merriam-webster.com/dictionary/ordnance ordnance]" means artillery and other explosive weapons, which the baloon would qualify as.
+The title text is likely also a pun, as the word "{{w|Local ordinance|ordinance}}" means a local law, and the very similar sounding word "[https://www.merriam-webster.com/dictionary/ordnance ordnance]" means artillery and other explosive weapons, which the balloon would qualify as.
 ===Table of tips===

@@ Line 18: / Line 18: @@
 The smallest nuclear bomb, the {{w|W54}}, had a yield of between 10 and 1,000 tons of TNT. The largest conventional bomb, the {{w|GBU-43/B MOAB}}, has a yield of roughly 11 tons. The {{w|2020 Beirut explosion}} was roughly equivalent to 500 tons. So, while the helium-2 balloon bomb would be larger than all conventional bombs, it would still be smaller than most nukes. Handing out what are effectively small atomic bombs at a county fair would not go down well with any surviving local authorities, so merely being banned is a very mild punishment. Criminal charges such as mass murder and terrorism would be more likely if it weren't for the absurd impossibility of the scenario.
-The title text is likely also a pun, as the word "{{w|https://en.wikipedia.org/wiki/Local_ordinance|ordinance}}" means a local law, and the very similar sounding word "[https://www.merriam-webster.com/dictionary/ordnance ordnance]" means artillery and other explosive weapons, which the baloon would qualify as.
+The title text is likely also a pun, as the word "{{w|Local ordinance|ordinance}}" means a local law, and the very similar sounding word "[https://www.merriam-webster.com/dictionary/ordnance ordnance]" means artillery and other explosive weapons, which the baloon would qualify as.
 ===Table of tips===
@@ Line 32: / Line 32: @@
 |-
 |A square wave can be broken down into an infinite supply of valuable sine waves
-|{{w|Fourier analysis}} can decompose any periodic function into a series of {{w|sine wave}}s. A {{w|square wave}} is equal to the sum of an infinite series of sine waves. However, the sine waves are not removed or separated individually, so such a {{w|Fourier transform}} does not produce a "supply" of sine waves for practical use in any tasks other than analysis, and as abstract mathematical objects are exempt from the laws of supply and demand ([https://en.wikipedia.org/wiki/Crypto_Wars#/media/File:Munitions_T-shirt_(front).jpg most of the time]),
+|{{w|Fourier analysis}} can decompose any periodic function into a series of {{w|sine wave}}s. A {{w|square wave}} is equal to the sum of an infinite series of sine waves. However, the sine waves are not removed or separated individually, so such a {{w|Fourier transform}} does not produce a "supply" of sine waves for practical use in any tasks other than analysis, and as abstract mathematical objects are exempt from the laws of supply and demand ({{w|File:Munitions_T-shirt_(front).jpg|most of the time}}),
 |-
 |Cut waste by buying lighter isotopes that don't have any dead-weight neutrons

@@ Line 17: / Line 17: @@
 {{cob}}
 The smallest nuclear bomb, the {{w|W54}}, had a yield of between 10 and 1,000 tons of TNT. The largest conventional bomb, the {{w|GBU-43/B MOAB}}, has a yield of roughly 11 tons. The {{w|2020 Beirut explosion}} was roughly equivalent to 500 tons. So, while the helium-2 balloon bomb would be larger than all conventional bombs, it would still be smaller than most nukes. Handing out what are effectively small atomic bombs at a county fair would not go down well with any surviving local authorities, so merely being banned is a very mild punishment. Criminal charges such as mass murder and terrorism would be more likely if it weren't for the absurd impossibility of the scenario.
 ===Table of tips===

← Older revision		Revision as of 16:55, 1 November 2022
Line 8:		Line 8:

	==Explanation==		==Explanation==
−	~~{{incomplete\|Created by a FAUX VECTOR - Please change this comment when editing this page. Do NOT delete this tag too soon.}}~~
	This is another one of [[Randall\|Randall's]] [[:Category:Tips\|Tips]], this time with a series of Physics Cost-Saving Tips. It also continues the previous [[2648: Chemicals]] comic's jocular theme of tricks to supposedly save money based on misinterpretations of science.		This is another one of [[Randall\|Randall's]] [[:Category:Tips\|Tips]], this time with a series of Physics Cost-Saving Tips. It also continues the previous [[2648: Chemicals]] comic's jocular theme of tricks to supposedly save money based on misinterpretations of science.

@@ Line 28: / Line 28: @@
 |[[File:Torque animation.gif|frame|right|Relationship of pseudovectors {{w|torque}} ('''τ''') and {{w|angular momentum}} ('''L''') to "regular" Euclidean vectors {{w|Position (vector)|position}} ('''r'''), {{w|force}} ('''F'''), and linear {{w|momentum}} ('''p''') in an oscillatory rotating system. Not shown is the {{w|centripetal force}} of the spoke's {{w|Tension (physics)|tension}}, a Euclidean vector towards the axle proportional to linear momentum, converting it to angular momentum.]]
-The prefix "pseudo-" refers to an inauthentic variation of something. Fakes are usually cheaper than their original brand-name product, while often working just as well, so the comic implies a {{w|pseudovector}} could be a less expensive substitute for a regular vector. On the contrary, pseudovectors, or axial vectors, are distinct from regular {{w|Euclidean vector}}s. Regular Euclidean vectors have a magnitude and direction (velocity, for example). Pseudovectors are usually being involved with rotation or physical effects that share properties with rotation, similar to the relationship between angles and lengths. Pseudovectors are formed from the {{w|cross product}}s of Euclidean vectors, in three dimensions, and while similar to Euclidean vectors, there is no physical meaning to their specific direction, only their magnitude and portions of their position. For example, {{w|angular momentum}} is described by a pseudovector, labeled '''L''' in the comic, {{w|Normal (geometry)|normal}} to the {{w|plane of rotation}}, originating from the center of rotation, with magnitude equal to the angular velocity of rotation '''ω''' multiplied by the {{w|moment of inertia}} '''I'''. (The comic's diagram is drawn according to very uncommon {{w|Right-hand rule#Coordinates|left-handed coordinates}} instead of the standard {{w|right-hand rule}}. Randall is right-handed.[https://www.youtube.com/watch?v=j1tcyEo2tQk&t=28s])
+The prefix "pseudo-" refers to an inauthentic variation of something. Fakes are usually cheaper than their original brand-name product, while often working just as well, so the comic implies a {{w|pseudovector}} could be a less expensive substitute for a regular vector. On the contrary, pseudovectors, or axial vectors, are distinct from regular {{w|Euclidean vector}}s, which have a magnitude and direction (velocity, for example). Pseudovectors are usually being involved with rotation or physical effects that share properties with rotation, similar to the relationship between angles and lengths. Pseudovectors are formed from the {{w|cross product}}s of Euclidean vectors, in three dimensions, and while similar to Euclidean vectors, there is no physical meaning to their specific direction, only their magnitude and portions of their position. For example, {{w|angular momentum}} is described by a pseudovector, labeled '''L''' in the comic, {{w|Normal (geometry)|normal}} to the {{w|plane of rotation}}, originating from the center of rotation, with magnitude equal to the angular velocity of rotation '''ω''' multiplied by the {{w|moment of inertia}} '''I'''. (The comic's diagram is drawn according to very uncommon {{w|Right-hand rule#Coordinates|left-handed coordinates}} instead of the standard {{w|right-hand rule}}. Randall is right-handed.[https://www.youtube.com/watch?v=j1tcyEo2tQk&t=28s])
 |-
 |A square wave can be broken down into an infinite supply of valuable sine waves