『Let's Know Things』のカバーアート

Let's Know Things

Let's Know Things

著者： Colin Wright
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A calm, non-shouty, non-polemical, weekly news analysis podcast for folks of all stripes and leanings who want to know more about what's happening in the world around them. Hosted by analytic journalist Colin Wright since 2016.

letsknowthings.substack.comColin Wright 政治・政府
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  • Digital Gaming

    Digital Gaming
    2026/07/07
    This week we talk about Sony, Nintendo, and the Playstation.We also discuss Grand Theft Auto, the 3DO, and digital dark ages.Recommended Book: 3 Days, 9 Months, 27 Years by John ScalziTranscriptThe earliest video game consoles that were made to be used in the home, as opposed to being set up in an arcade, were hardwired like their arcade kin. That means rather than being able to play a bunch of different games, they were basically just single-game boxes: you would buy a machine that allowed you to play Pong, for instance, and if you wanted to play another game, even by the same maker, Atari, you would have to buy another whole console with its own screen, controls, etc, to do so.That was the state of the art in the early to mid 1970s. By the late-70s, the concept of swappable games became reality with the introduction of what are called ROM cartridges. ROM stands for read-only memory and is a type of storage common in computers and other devices, which allows whatever you store on it to persist, which is a contrast to RAM, which is the type of memory that determines how much you can do on a device at any given moment, and which disappears when the device is turned off.So these ROM cartridges were kind of like the portion of the hard drive that’s used to boot up your computer, storing the bare-basics of the system so it can be initialized and understand how to run all the other software that builds upon that baseline. And that memory was stored in durable, plastic cases that made them usable by ordinary, non-techy people. You could buy a game and handle the cartridge, popping it into your game console hardware and removing it, to make way for another game, over and over and over again, and that use would be unlikely to damage the ROM chip.This same general format was flexible enough that it lasted through the mid-90s, the capacity of the ROM chip continuing to grow as the associated tech improved, and the capabilities of the central console hardware that used these cartridges became more sophisticated. Upgrades were slowly added to the innards of the plastic case, as well, including things like battery backups that enabled saved games, and the Super Nintendo’s Super FX chip, which enabled 3D graphics that would have otherwise been impossible with the contemporary state of the art.The next generation of gaming consoles relied on another medium, though, and one that had several benefits over the long-lived game cartridge.CD-ROM discs, which were flat, circular, and contained information that was encoded and read with lasers, had been around in some form since the late-1980s, and were even used in a few early gaming consoles, like the PC Engine CD-ROM, which barely anyone bought, and the Sega-CD add-on for the Sega Genesis, and 3DO consoles, which a few more, but still relatively few people purchased.The release of the first Sony Playstation, now known as the PS1, in 1994 changed that, though, and this shift was partially the result of Sony’s impressive game lineup, but was also due to the strength of the CD medium. Each CD-ROM could hold 650-700 MB of information, which was more than 100-times the capacity of the competing Nintendo 64’s cartridges.There were downsides to this new standard; CD-ROMs were less durable than plastic-encased cartridges, and they were very slow to load, as well, because information stored in ROM chips could be more or less instantly booted, while the info stored on discs had to be spun up and read first, resulting in sluggish load screens throughout the gaming experience, and especially on the initial boot-up of the system.That said, the far superior storage, and the dramatically reduced cost of these laser-etched discs—cartridges could cost $15-20 apiece to manufacture, while CD-ROMs often cost pennies apiece—that triggered a rapid transition in the gaming world to this new medium. Handheld consoles stuck with cartridges for a lot longer, due to the nature of the use-case and difficulties associated with trying to use spinning discs in portable hardware, but everyone else moved to discs pretty rapidly, after Sony proved the utility of the model, and many aspects of video gaming were upgraded as a result of all that additional storage capacity.That capacity continued to grow as CD-ROM were replaced with DVDs, which could hold 4.7-8.5 GB per disc, again, up from 650-700 MB; the industry made that change in the years 2000 and 2001, with the PS2 and Xbox consoles. And then in 2006, the PS3 moved to Blu-ray discs, which could hold a whopping 25-50 GB per disc, once again resetting gaming expectations—though Xbox stuck with DVDs, and Nintendo’s Wii, Wii U, and Gamecube consoles used proprietary disc formats that had a lot lower capacity compared to their competition.Leading into the 2010s, even those Blu-rays were straining under the weight of some big-name, AAA games, some of which required multiple discs and mandatory hard drive installs from those discs, because ...
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    19 分
  • 2026 European Heat Wave

    2026 European Heat Wave
    2026/06/30
    This week we talk about air conditioners, pressure systems, and heat stress.We also discuss weather memes, climate change, and dirty grids.Recommended Book: Battle of the Linguist Mages by Scotto MooreTranscriptAn air conditioner, or AC, or maybe air con if you’re in the UK, is a device that moves heat from one location to another. In doing so, it usually dehumidifies the air, as well, so it can rapidly cool a room or entire building by shifting both heat and humidity from that room or building, elsewhere—usually outside.This is basically the same technology used in refrigerators, a process called vapor compression allowing the device to circulate a substance called refrigerant using a compressor, a condenser, an evaporator, and an expansion valve, which—and this is a very superficial explanation of what’s happening—but these components take advantage of forced circulation and a phase-change between gas and liquid to transfer heat from the room you want to cool, or the inside of the refrigerator, and move that heat outside your building, or to the back and/or bottom of the fridge.This is a far more active mode of air conditioning, of cooling and dehumidifying the air, than has been used throughout history. Most early methods relied on passive approaches, including but not limited to architectural elements, the use of plants and optimization of air flow, or creating basement areas for things that needed to stay cool.Researchers have dabbled with more active methods of conditioning air for centuries, though, and several 19th century inventions served as precursors for the first iteration of modern ACs, some of which were used to create ice, which was useful unto itself, but could also be used to cool a room, if far less effectively and efficiently than an actual, holistic AC unit.In 1894, industrial-grade ammonia compressors, powered by electricity, made this category of device suitable for urban environments; previously they just were far too bulky and difficult to power for city use. By 1896, the Hungarian engineer who came up with this new riff on the theme, István Röck, was manufacturing what he called dry air cooling apparatuses for hospitals, theaters, and other large spaces.Just five years later, in 1901, an American inventor named Willis H Carrier developed what’s widely considered to be the first modern electrical AC unit, selling the first one to a lithography company in New York, before patenting the term air conditioning in 1906. The first residential version of this device was installed in 1914, and in 1915 the Carrier Air Conditioning Company of America was formed—a business that still exists today.The impact of air conditioning, and this general technology category, as again, it’s also used in modern refrigeration units, cannot be overstated. This tech didn’t become widespread in the US, which is where it initially took off, in large part due to Carrier and other AC businesses’ presence in the States, until the mid-20th century, and before that, before the 1950s, the state of Florida was technically occupied, but only just barely because of its extreme heat and humidity and abundance of mosquitos. The population of Florida in 1950 was about 2.7 million, and today it’s about 23.5 million—that influx of people began after AC units became standard in buildings across the state, and the country. We’ve seen similar migrations as a result of too-hot places sudden becoming a lot more pleasant.Similarly, refrigeration enabled a boggling amount of change within the food and beverage industry, the chemicals and industrial materials industries, and the healthcare and life science industries, because before the advent of the cold chain—the system of refrigerated spaces, including boxes and trucks and planes and ships that allowed medicines and foods and other substances to stay cold from their origin to their end-consumer—it simply wasn’t possible to sell or create or work with many of these products and materials.The distribution of this technology is not universal or equal, however, and in some cases that inequality, that lack of access to this technology in some spaces, is the result of choice, not inaccessibility. And that’s what I’d like to talk about today: the spread, or lack thereof, of AC technologies and products, and how a recent heat wave in Europe may lead to more installations of this type of product across the continent.—Beginning in late-May of 2026, a series of severe heatwaves engulfed Europe, and especially Western Europe, breaking all sorts of temperature records and leading to a bunch of heat-related deaths.A recent meme gives a good sense of just how bad this heat wave has been.Back in 2014, as part of a campaign by the World Meteorological Organization, dozens of weather presenters from around the world were invited to record fictionalized weather reports from 2050, with the intention of giving people a sense of how global climate change ...
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    17 分
  • Balcony Solar

    Balcony Solar
    2026/06/23
    This week we talk about plug-in power, renewables, and Germany.We also discuss inverters, solar arrays, and microgrids.Recommended Book: Consider This by Chuck PalahnuikTranscriptMost climate scientists and knowledgable folks in adjacent fields will tell you that, as a species, we’re way behind where we need to be if we’re going to avoid a whole lot of negative consequences caused by global climate change.We’ve blazed past a bunch of tipping points already, and while the worst-case scenarios we were worried about a decade ago are no longer likely because of the energy-generation and related changes we’ve made globally, since then, the damage caused up to this point is already doing some pretty bad things to our water cycle and other temperature-regulating systems, and that’s looking like it will get even worse over the next several decades—even if worse no longer means cataclysmic in the sense of ending all life on the planet.That said, even noting that progress has been a lot slower than most experts would prefer, progress is happening in regards to the deployment of renewable energy sources, and in the replacement and retirement of dirty, carbon- and methane-spewing sources, like coal, petroleum, and gas.As of 2026, the global share of total electricity generation, so all electricity produced by all sources for all purposes, is about 33.8% for renewables, marking the first time renewables have been used to produce more than a third of the total electricity produced, globally; that also means renewables have surpassed coal for electricity generation for the first time.While hydro and wind continue to contribute to the growth of renewables deployment and electricity generation, solar power is by far the biggest growth area for renewables right now, and solar, alone, covers 75% of total electricity demand growth in 2025—which means as countries around the world deploy more electricity generation assets to account for electricity demand growth, three-quarters of that demand is being met by solar. And this is notable because typically that kind of demand, the majority of which arises in huge, rapidly scaling countries like China and India, has up till recently been met by the dirtiest of energy production sources, coal.There’s also been a 0.2% reduction in fossil fuel generation, year-on-year, which is a very small number, but that level of production is massive, and there are a lot of subsidies and other mechanisms that keep fossil fuels flourishing around the world, so every little sliver of fossil fuel energy production reduction is still a pretty significant thing.Many of these renewables-related wins, in recent years, have been attributable to the large-scale installation of solar facilities, backed by massive, utility-scale battery backups, primarily in China.China is by far the largest producer of solar panels and related technologies—Chinese companies produce somewhere between 80-90% of all the key components and perform the same portion of all key manufacturing stages for the global supply chain, while also controlling the vast majority of resources necessary to manufacture solar panels. And it has been on a tear over the past decade or so, installing just a silly amount of solar infrastructure. Which is good, because China is also seeing a lot of growth in energy demand, so if they weren’t deploying that much solar, they would likely be deploying that much coal infrastructure, instead.That said, while huge solar arrays are important to renewables growth, there’s also been a recent boom in smaller-scale solar energy deployment in recent years, especially but not exclusively across Europe. And that’s what I’d like to talk about today: the emergence of so-called ‘balcony solar,’ and what it might mean for the further expansion of solar’s footprint around the world.—In 2025, Utah, which is a deeply Conservative, Republican state, became the first US state to pass a bill that makes it easier to legally install plug-in solar panel systems.As of mid-2026, about 30 states have followed suit, and even more are considering it, laws allowing for the installation of such solar technologies winding their way through legislative bodies on the back of the popularity and seeming no-downsides nature of this tech product category.Plug-in solar, also sometimes called balcony solar or garden solar, is currently most popular in Germany, which is the biggest market for this product right now, with about four million such systems installed as of 2025.To understand the popularity of this type of solar installation, it’s useful to understand that conventional solar installations have typically required a decent amount of electrical surgery to install. They’ve usually involved a large number of panels operating as an array, and that array has produced quite a lot of electricity that then has to be funneled as a direct current either back into the local grid using what amounts to ...
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    14 分
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