User contributions for Elie

07:4207:42, 31 December 2022 diff hist +2,042‎ Electric vehicles/Fossil fuel powered ‎No edit summary

20:1220:12, 30 December 2022 diff hist +2,302‎ N Electric vehicles/Fossil fuel powered ‎ Created page with "If electric vehicles are powered with electricity that was generated by fossil fuels, is it worse for the environment than just driving a gas car? {{dp |<nowiki>electric_car.efficiency</nowiki> |<nowiki>100 miles per 34.6 kWh</nowiki> |<nowiki>The "gas mileage" equivalent for an average electric car.</nowiki> |<nowiki>Average Electric Car kWh Per Mile [Results From 231 EVs]</nowiki> <nowiki> ecocostsavings.com › average-electric-car-kwh-per-mile </nowiki>..."

10:2710:27, 29 December 2022 diff hist +364‎ Solar panel minerals ‎No edit summary
09:2309:23, 29 December 2022 diff hist +313‎ Solar panel minerals ‎ →‎General estimates
07:0007:00, 29 December 2022 diff hist −121‎ Solar panel minerals ‎No edit summary
03:1503:15, 29 December 2022 diff hist +655‎ Solar panel minerals ‎No edit summary

10:2910:29, 28 December 2022 diff hist +1,788‎ Solar panel minerals ‎ →‎General estimates
02:3202:32, 28 December 2022 diff hist +569‎ N Heat pump ‎ Created page with "An electric heat pump is one way to heat a building. It works a lot like air conditioning but in reverse: The hot air goes indoors; the cold air goes outdoors. Heat pumps are '''more energy-efficient''' than electric heaters.{{qn}} ==Research needed for this page== * ''How much'' more energy-efficient can a heat pump be? ** How does this depend on outdoor temperature? * How much energy does it typically take to ''manufacture and install'' a heat pump? *..."
02:3002:30, 28 December 2022 diff hist 0‎ Template:Qn ‎No edit summary
02:2902:29, 28 December 2022 diff hist 0‎ Template:Rn ‎No edit summary
02:0402:04, 28 December 2022 diff hist +75‎ Rooftop solar ‎ →‎Challanges
01:4301:43, 28 December 2022 diff hist +8,624‎ N Rooftop solar ‎ Created page with "Rooftops are a good place to put solar panels, because: * They are close to where the energy is typically used. * They need no extra land (unlike solar farms). That's an environmental footprint avoided. '''Summary:''' * In most cases, rooftop solar ''could'' provide enough energy for '''homes''', other '''buildings''', and '''charging''' electric vehicles. ** Exception: heating in cold parts of the world ** Exception: high-density cities * '''Ha..."

23:3123:31, 27 December 2022 diff hist +1,208‎ N Solar panel minerals ‎ Created page with "It takes minerals to make solar panels. Some minerals are scarce. This might be an issue if we want to scale up green energy enough to replace fossil fuels. What we need is a full chart of all minerals (and their quantities) involved in all solar panel technologies. Apparently this doesn't exist on the internet already, so we have to make it ourselves. The tables below are currently a work-in-progress. The 3rd column of the tables below is based on a sc..."
22:5122:51, 27 December 2022 diff hist +70‎ N Template:Rn ‎ Created page with "<nowiki>[</nowiki>research needed<nowiki>]</nowiki>"
22:2122:21, 27 December 2022 diff hist +1,217‎ Minerals ‎No edit summary current

07:3407:34, 24 December 2022 diff hist 0‎ Calc:If all vehicles were electric ‎ →‎Powering the vehicles
07:3307:33, 24 December 2022 diff hist +5,176‎ Calc:If all vehicles were electric ‎No edit summary
06:4006:40, 24 December 2022 diff hist +5,327‎ N Calc:If all vehicles were electric ‎ Created page with "Suppose we keep the status quo of transportation, but make all vehicles electric. This raises some basic questions: * How much electricity would we need to power all the vehicles? * How much energy would it take to manufacture vehicles - both in the short term and long term? * Which critical minerals would we need, and how much of each? * Could the minerals be recycled from vehicles at their end-of-life? ==Powering the vehicles== Electric cars are..."

13:3213:32, 22 December 2022 diff hist 0‎ Housing/electricity ‎ Corrected the footnotes (which were wrong in the original source too btw) current

10:3210:32, 30 November 2022 diff hist +254‎ Code:fullscreen main.h ‎No edit summary current
10:2810:28, 30 November 2022 diff hist +1,101‎ Code:nodes.c ‎No edit summary current
09:5109:51, 30 November 2022 diff hist +10,953‎ N Code:fullscreen main.h ‎ Created page with "C header for easy OpenGL programming. Gets rid of most boilerplate code. ==Code== <syntaxhighlight lang="c"> →‎** Elie's OpenGL wrapper Creates a fullscreen vsync'd context with game-style access to keyboard & mouse. Version 1.1 **: #pragma once // This header file implements main(). // Here are the functions you must define in your own code: void init(); void draw(); void done(); /** Notes: * * The init() function is called once at startup. This is the place..."
09:4609:46, 30 November 2022 diff hist −8‎ File:font.data-uint8-1004x19 ‎ →‎Summary current
09:4509:45, 30 November 2022 diff hist +63‎ N File:font.data-uint8-1004x19 ‎ Bitmapped font file used by Code:text-quads.h
09:4009:40, 30 November 2022 diff hist +49‎ Code:text-quads.h ‎No edit summary current
09:3709:37, 30 November 2022 diff hist +56‎ Code:text-quads.h ‎No edit summary
09:3609:36, 30 November 2022 diff hist +6,672‎ N Code:text-quads.h ‎ Created page with "<syntaxhighlight lang="c"> // text-quads.h // Functions for drawing text in OpenGL, using textured quads. #define TQ_TEXTURE_WIDTH 1004 #define TQ_TEXTURE_HEIGHT 19 #define TQ_TEXTURE_FILENAME "font.data-uint8-1004x19" // DEPENDENCY: This texture file. /* Copyright 2022, Elie Goldman Smith This program is FREE SOFTWARE: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either ver..."
09:3409:34, 30 November 2022 diff hist +18,785‎ N Code:nodes.c ‎ Created page with "<syntaxhighlight lang="c"> /*** This is my new graph nodes program. I don't know what to call it yet. To compile: gcc nodes.c -o nodes -ffast-math -O -lm -lGL -lglut -lpthread This program has runtime dependencies: File in working directory: "font.data-uint8-1004x19" Installed packages: 'zenity' and 'leafpad' Copyright 2022, Elie Goldman Smith This program is FREE SOFTWARE: you can redistribute it and/or modify it under the terms of the GNU General..."

06:4106:41, 12 November 2022 diff hist +1,423‎ Zero food-feed competition ‎ →‎For comparison, status quo: current

07:4607:46, 11 November 2022 diff hist −296‎ Zero food-feed competition ‎No edit summary
07:2007:20, 11 November 2022 diff hist +2,184‎ Zero food-feed competition ‎ →‎For comparison, status quo:
04:4004:40, 11 November 2022 diff hist −706‎ File:food-funnel.png ‎ →‎Limitations: Removed section and moved its content to the talk page.
04:3904:39, 11 November 2022 diff hist +1,299‎ N File talk:food-funnel.png ‎ Created page with "==This diagram doesn't currently include fish.== Here's one way that fish could maybe be included in future versions of this diagram: * The top part would be renamed from 'crops harvested' to 'production primary', and would include ''wild-caught'' fish. * The 'animal feed' would include any human-edible calories fed to ''farmed'' fish. * The 'animal products' produced would include the ''farmed'' fish. To put things in perspective, seafood contributes about 12g protein/d..." current

20:0120:01, 9 November 2022 diff hist +374‎ N Minerals ‎ Created page with "In pursuit of green energy technology, we need a significant amount of scarce metals. [https://www.iea.org/reports/the-role-of-critical-minerals-in-clean-energy-transitions/mineral-requirements-for-clean-energy-transitions This article] is a good start, but we should try to quantify the situation more rigorously for "full replacement of fossil fuel energy" scenarios."
19:5819:58, 9 November 2022 diff hist +33‎ Energy storage ‎ →‎Summary

06:3906:39, 8 November 2022 diff hist +6,467‎ N Zero food-feed competition ‎ Created page with "Cows, goats and sheep can digest fibre and use it as calories. These animals can thus eat a few things that don't compete with food production: # Crop residues (also known as biomass waste) which are the fibrous leftover parts of food crops we have to grow anyway. # Grass from pasture lands. This feed can't be eaten by humans, chickens, or pigs. {{x|Except in very small quantities for roughage only. Humans, chickens and pigs can't extract any s..."

23:2723:27, 4 November 2022 diff hist +1,208‎ Energy storage ‎No edit summary
23:2623:26, 4 November 2022 diff hist −2‎ Energy storage/specs ‎No edit summary current
21:3521:35, 4 November 2022 diff hist +1,088‎ N Why Bitcoin's energy usage is directly proportional to its price ‎ Created page with "By design, bitcoin mining pays out exactly 6.25 BTC, every 10 minutes - to someone, somewhere in the world. {{x|In practice, this usually gets split between many people in a mining pool.}} The more "work" a miner does, the greater their chances of getting these bitcoins. The network automatically adjusts the mining difficulty. If mining is too hard, it would be so unprofitable that everyone would stop mining - this would cause the mining difficulty to automatically..." current
21:3321:33, 4 November 2022 diff hist +354‎ N Talk:Wind power ‎ Created page with "==Sulfur hexafluoride== wind power uses sf6? * what's it for: electrical switching apparently * how much is it currently using * how much more would it currently use if wind or solar powered the world * total ghg per terajoule: is it at least better than coal? * any alternatives? ~~~~"
06:4206:42, 4 November 2022 diff hist +2,270‎ N Wiki for a better world:Redesigns ‎ Created page with "This page is for ways the wiki could be completely redesigned. ==Wiki engine== make a new wiki engine * use case ** ultra short "pages" that heavily link to each other ** the whole wiki as one gigantic directed graph (flow chart style) * text node ** displayed as a rounded square *** zooming in increases width but left-right-clamped to screen *** if (width clamped) height = whatever needed for text. but also adjusted so the text doesnt suddenly shift vertically when you..." current
03:0703:07, 4 November 2022 diff hist +214‎ Wiki for a better world:Calculator/Feature requests ‎ →‎Inline calculations (embedding on wikipages)
03:0603:06, 4 November 2022 diff hist +436‎ Wiki for a better world:Calculator/Feature requests ‎ →‎Inline calculations (embedding on wikipages)
02:4102:41, 4 November 2022 diff hist +618‎ N Drug legalization ‎ Created page with "==Dilution== One method to legalize harder drugs (such as cocaine, MDMA, heroin, methamphetamine, etc) it to have them sold ''only'' in diluted form, in regulated drinks: * The dosage should be low enough that it's impossible to overdose without consuming at least 5 litres (which is impossible for any stomach to hold at once). * The drink should not be flavored or labelled in a way that appeals to children.  This is very similar to how..." current
02:2902:29, 4 November 2022 diff hist +519‎ N Energy storage/specs ‎ Created page with "{|class="wikitable" | !Type !Specific energy (watt hours per kg) !Specific power (watts per kg) !Charge time (minutes) !Self-discharge (% per month) !Roundtrip efficiency (%) !Lifespan (charge-discharge cycles) !Lifespan (years shelf life) |- |Lithium-ion batteries |- |Lead-acid batteries |- |Iron-redox flow batteries |- |Flywheels |- |Hydrogen gas + fuel cell |- |Hydrogen gas + combustion engine |- |Hydrog..."
01:0601:06, 4 November 2022 diff hist +33‎ Energy storage ‎ →‎Types
00:3600:36, 4 November 2022 diff hist +332‎ Energy storage ‎ →‎Iron-redox flow batteries
00:1200:12, 4 November 2022 diff hist +1,127‎ Energy storage ‎No edit summary

23:5123:51, 3 November 2022 diff hist +129‎ Energy storage ‎ →‎Flywheels
23:4923:49, 3 November 2022 diff hist +968‎ Energy storage ‎No edit summary
23:2623:26, 3 November 2022 diff hist +1,774‎ Energy storage ‎ →‎Flywheels
23:0023:00, 3 November 2022 diff hist +438‎ Wiki for a better world:Calculator/Feature requests ‎ →‎Inline calculations (embedding on wikipages)

23:1723:17, 31 October 2022 diff hist −42‎ Energy demand categories ‎ →‎Electricity that must be available 24/7 current
23:1123:11, 31 October 2022 diff hist +684‎ N Energy demand categories ‎ Created page with "==Electricity that must be available 24/7== * Home electricity usage ** Except for heating and cooling - those have other options (see below). * Commercial electricity usage (includes retail stores, restaurants, offices, and the service sector in general), except for heating and cooling (those have other options - see below). ** Except for heating and cooling - those have other options (see below). * Trains for public transit ==Electricity that does not have to..."

20:1620:16, 28 October 2022 diff hist +2,371‎ Housing/Canada ‎ →‎All of Canada

20:5120:51, 27 October 2022 diff hist −6‎ Montreal/Mont-Royal ‎ →‎Conservation policy current
20:5020:50, 27 October 2022 diff hist +79‎ N File:mont-royal-vs-quebec-scale.ogv ‎ Understanding the scale of city greenspace vs country greenspace. current
20:2320:23, 27 October 2022 diff hist +20‎ Montreal/Mont-Royal ‎No edit summary
20:2320:23, 27 October 2022 diff hist +79‎ N File:mont-royal-vs-quebec-scale.mp4 ‎ Understanding the scale of city greenspace vs country greenspace. current
19:4919:49, 27 October 2022 diff hist +79‎ N File:mont-royal-vs-quebec-scale.mkv ‎ Understanding the scale of city greenspace vs country greenspace. current
19:4519:45, 27 October 2022 diff hist +1,219‎ N Montreal/Mont-Royal ‎ Created page with "Mont-Royal is Montreal's main mountain and largest greenspace. ==Conservation policy== frame There's a recent trend of blocking off smaller trails "for nature conservation". This is a terribly misguided decision, when you consider the bigger ecological picture. The mountain needs trails of all sizes - not just big paved ones, but small organic ones too, for people to really feel close to nature {{x|also, walking ''only..."

01:3601:36, 24 October 2022 diff hist +724‎ Energy storage ‎ →‎Lithium-ion batteries
01:3501:35, 24 October 2022 diff hist +404‎ Wiki for a better world:Calculator/Feature requests ‎ →‎Common calculator
01:2301:23, 24 October 2022 diff hist +241‎ Wiki for a better world:Calculator/Feature requests ‎ →‎Inline calculations (embedding on wikipages)
01:1501:15, 24 October 2022 diff hist +1,826‎ Energy storage ‎ →‎Hydrogen gas
00:4300:43, 24 October 2022 diff hist +374‎ Energy storage ‎ →‎Iron-redox flow batteries
00:3600:36, 24 October 2022 diff hist +214‎ Energy storage ‎ →‎Lithium-ion batteries
00:3400:34, 24 October 2022 diff hist +2,262‎ Energy storage ‎ →‎Lithium-ion batteries
00:2700:27, 24 October 2022 diff hist −11‎ Energy storage ‎ →‎Per capita
00:1300:13, 24 October 2022 diff hist +164‎ Energy storage ‎No edit summary

23:5223:52, 23 October 2022 diff hist +4,092‎ N Nuclear power ‎ Created page with "==Fission== Nuclear fission is what's currently used in all of today's nuclear power plants. Fission derives energy from heavy radioactive elements - in particular, uranium. ===Supply=== Uranium is a mineral that occurs naturally as ''a mix of two isotopes'': uranium-238 (99.3%) and uranium-235 (0.7%). The proportion does not vary in nature. Current nuclear reactors can only derive energy from the uranium-235 part. If the whole world was powered ''only'' by..."
06:2106:21, 23 October 2022 diff hist +404‎ Energy storage ‎ →‎How much would be needed?
06:1306:13, 23 October 2022 diff hist +1,952‎ Energy storage ‎No edit summary
05:5405:54, 23 October 2022 diff hist +1,324‎ N Energy/labor ‎ Created page with "How much labor goes into energy production? {{dp |energy_sector.employees |65 million people |How many people work in the energy sector, globally }} {{dp |typical_work_week |40 hours/week |Assuming this is what the typical energy-sector employee works }} {{dp |energy.tfc |9938 Mtoe/year |Total final consumption of energy (globally) |Key World Energy Statistics 2020 (IEA Report) }} {{calc |energy_sector.employees * typical_work_week / energy.tfc |(person hours/week)..." current
05:2105:21, 23 October 2022 diff hist 0‎ MediaWiki:Common.css ‎ Undo revision 465 by Elie (talk) Tag: Undo
02:0702:07, 23 October 2022 diff hist 0‎ MediaWiki:Common.css ‎No edit summary Tag: Reverted
01:4801:48, 23 October 2022 diff hist +64‎ Housing/electricity ‎No edit summary
01:3801:38, 23 October 2022 diff hist +5‎ MediaWiki:Common.css ‎ because the calculations' bottom border shouldn't be heavier than the default mediawiki 'h2' tag bottom border
00:5600:56, 23 October 2022 diff hist +120‎ Housing/footprint ‎ →‎General current
00:4800:48, 23 October 2022 diff hist −4‎ Housing/footprint ‎ →‎General
00:4600:46, 23 October 2022 diff hist +2,085‎ Housing/footprint ‎No edit summary
00:3300:33, 23 October 2022 diff hist +3‎ Housing/electricity ‎No edit summary
00:3200:32, 23 October 2022 diff hist +102‎ Housing/electricity ‎ →‎How is electricity used in U.S. homes?
00:2700:27, 23 October 2022 diff hist +2,210‎ N Housing/electricity ‎ Created page with "As always, the most easy-to-find data is based the USA (but still somewhat useful for the rest of the world). This table is copied verbatim from U.S. Energy Information Agency: ===How is electricity used in U.S. homes?=== <table class="basic-table"><caption>U.S. residential sector electricity consumption by major end uses in 20211</caption><tr><th scope="col">End use</th><th scope="col">Billion kilowatthours</th><th scope="col">Share of total </th></tr><tr><..."

16:4216:42, 22 October 2022 diff hist +649‎ N Anarchist peace talks ‎ Created page with "If governments refuse to have peace talks, what if we just do it ourselves? : Example for the Russia-Ukraine war: Schedule some online meetings and bring together anarchists from both Russia and USA (or any other NATO country). The meetings could start with picking apart the narratives of both governments. Then slowly piece together solutions that don't involve war. After the meeting is done, people in each country could go on and share those solutions locally and g..." current
16:0316:03, 22 October 2022 diff hist +124‎ Wiki for a better world:Calculator/Feature requests ‎ →‎Misc

01:5001:50, 21 October 2022 diff hist +1,431‎ Housing/Canada ‎ →‎All of Canada
01:2801:28, 21 October 2022 diff hist −309‎ Housing/Canada ‎ →‎Custom region
01:2701:27, 21 October 2022 diff hist +554‎ Housing/Canada ‎ →‎All of Canada

17:4917:49, 19 October 2022 diff hist +5‎ Exercise/mention ‎ →‎Hydration is key current
17:4917:49, 19 October 2022 diff hist +1‎ Exercise/mention ‎ →‎Hydration is key
17:4817:48, 19 October 2022 diff hist +86‎ Exercise/mention ‎ →‎Post-sitting
17:4217:42, 19 October 2022 diff hist +1‎ Exercise/mention ‎ →‎Digestion
17:4217:42, 19 October 2022 diff hist +378‎ Exercise/mention ‎No edit summary
17:3517:35, 19 October 2022 diff hist +7,560‎ N Exercise/mention ‎ Created page with "This subpage is for more stuff that should probably mentioned somewhere: ==Things that mess up your ability to exercise properly== ===Clothes=== Restrictive clothing can mess up your running form or lifting form. * When wearing jeans in general, any proper lifting form would probably rip the crotch. People compensate for this by unconsciously rounding their backs more. * Sweat pants are much better for running & lifting, '''until''' you actually sweat in them. Once the..."

22:1322:13, 17 October 2022 diff hist +140‎ Housing/footprint ‎ →‎Single-detached home
21:2821:28, 17 October 2022 diff hist +255‎ Housing/footprint ‎ →‎Single-detached home
21:2421:24, 17 October 2022 diff hist +116‎ Housing/footprint ‎ →‎Land

23:0523:05, 16 October 2022 diff hist +189‎ Housing/Canada ‎ →‎All of Canada
23:0423:04, 16 October 2022 diff hist +201‎ Housing/Canada ‎ →‎Custom region

User contributions for Elie

31 December 2022

30 December 2022

29 December 2022

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