Ok so this video convinced me hyperloops are a bad idea because vacuum is difficult to maintain
well then what’s a good idea that can go faster than airplanes? What am I supposed to be excited about instead? I love trains and the hyper loop sounded like a really fast train, which is cool.
You don't need a car everywhere. Most non US developed countries have a robust public transport network. A car is actually less practical than public transport for like 90% of use cases if you live in Metropolitan areas. Same for tourism. Don't need a car to go visit Paris. Jump on a local tgv and be in center Paris just a few hours later from most of western Europe. Why would you bring a car..
While Gamers Nexus does some decent work, he suffers from what a lot of youtubers suffer: clickbait titles, sponsored segments, unnecessary long videos, etc.
Some find this so annoying, that they downvote this kind of content.
Also that asus scammed gamers nexus is not that relevant for most of us.
I am not saying its irrelevant, but there are bigger news.
I believe Steve has said that he hates the title/thumbnails too. But Google's algorithms heavily incentives them, so he reluctantly uses them while maintaining the good quality content.
Are you sure you've not just read bad stuff without verification on the internet and feel the need to chime in on something you don't fully understand?
Me too as a programmer that uses Google cloud to store government information. Which bit of the policy says they are going to access your data, shouldn't take you long to link it to me if you read them as much as you say. Unless what you're actually doing is spreading misinformation and bullshit.
I'm not the one who you were responding to, but considering google's history, I don't believe anything they claim, because they have lied so many times in the past, and because every "privacy guarantee" they provide is practically unprovable. It's nothing more than wishful thinking to think that google does nothing with government data stored with them, with google classroom data of millions of children, and others. They have shown that they can't be trusted.
b2b and audited security standards are a whole different thing - you deal with finance and health you’ve gotta prove to a 3rd party over and over that you have controls and technology in place to make sure you aren’t lying
and you know the security standards that are achievable on google cloud entirely negate your point right? their cloud offering is a totally different beast
For large businesses, you essentially have two ways to spend money:
OPEX: "operational expenditure" - this is money that you send on an ongoing basis, things like rent, wages, the 3rd party cleaning company, cloud services etc. The expectation is that when you use OPEX, the money disappears off the books and you don't get a tangible thing back in return. Most departments will have an OPEX budget to spend for the year.
CAPEX: "capital expenditure" - buying physical stuff, things like buildings, stock, machinery and servers. When you buy a physical thing, it gets listed as an asset on the company accounts, usually being "worth" whatever you paid for it. The problem is that things tend to lose value over time (with the exception of property), so when you buy a thing the accountants will want to know a depreciation rate - how much value it will lose per year. For computer equipment, this is typically ~20%, being "worthless" in 5 years. Departments typically don't have a big CAPEX budget, and big purchases typically need to be approved by the company board.
This leaves companies in a slightly odd spot where from an accounting standpoint, it might look better on the books to spend $3 million/year on cloud stuff than $10 million every 5 years on servers
Excellent explanation, however, technically it does not constitute an "odd spot." Rather, it represents a "100% acceptable and evident position" as it brings benefits to all stakeholders, from accounting to the CEO. Moreover, it is noteworthy that investing in services or leasing arrangements increases expenditure, resulting in reduced tax liabilities due to lower reported profits. Compounding this, the prevailing high turnover rate among CEOs diminishes incentives for making significant long-term investments.
In certain instances, there is also plain corruption. This occurs when a supplier offering services such as computer and server leasing or software, as well as company car rentals, is owned by a friend or family member of a C-level executive.
G Suite is a legitimate option for small-medium businesses. It's seen as the cheaper, simpler option versus Azure. I usually recommend it for nonprofits as they have a decent free option for 501c3 orgs.
I had a 1440p monitor and "downgraded" back to 1080p when it broke because I could barely tell the difference when gaming and I get a significantly higher framerate in most games at 1080p, which does make a big difference for me.
I have a 4k TV and don't get it either. Watched the odd video in 4k and the colors are maybe a bit crisper, but that's about it. I'd have to compare movies side by side to actually spot the difference.
Not worth it IMHO.
Can't tell for screens though, I don't even know whether mine does 4k or not. Was part of the home-office package from my company. I'll have to check that tomorrow, only returning from a business trip tonight.
I have a 4k TV and don't get it either. Watched the odd video in 4k and the colors are maybe a bit crisper, but that's about it. I'd have to compare movies side by side to actually spot the difference.
The point of 4k is that you can have a TV twice as large as your 1080p TV before it without losing sharpness.
I can definitely tell the difference on my 77” OLED.
You should see a clear difference at that distance. You may want to get your eyes checked, your eyes get worse as you get older and it can really creep up on you without noticing.
There have been constant news articles coming out over the past few years claiming the next big thing in supercapacitor and battery technologies. Very few actually turn out to work practically.
The most exciting things to happen in the last few years (from an average citizen's perspective) are the wider availability of sodium ion batteries (I believe some power tools ship with them now?), the continued testing of liquid flow batteries (endless trials starting with the claim that they might be more economic) and the reduction in costs of lithium-ion solid state batteries (probably due to the economics of electric car demand).
FWIW the distinction between capacitors and batteries gets blurred in the supercapacitor realm. Many of the items sold or researched are blends of chemical ("battery") and electrostatic ("capacitor") energy storage. The headline of this particular pushes the misconception that these concepts can't mix.
My university login no longer works so I can't get a copy of the paper itself :( But from the abstract it looks first stage, far from getting excited about:
This precise control over relaxation time holds promise for a wide array of applications and has the potential to accelerate the development of highly efficient energy storage systems.
"holds promise" and "has the potential" are not miscible with "May Be the Beginning of the End for Batteries".
Sadly Sci-Hub has not received updated articles in several years. Alexandra is waiting for the outcome of the trial in India. I don't think it depends on what the outcome is, just that the trial needs to be over.
We have the internet man, just bug another human and wait a few days to hear back from them.
Like I know that's what you are "supposed" to do. But public money public knowledge, I refuse to accept that this is somehow an acceptable state of things.
I've been seeing a lot about Sodium-ion just in the past week.
While they seem to have a huge advantage in being able to charge and discharge at some fairly eye-watering rates, the miserable energy density would seem to limit them to stationary applications, at least for now.
Perfect for backup power, load shifting, and other power-grid-tied applications though.
They've also got much better lifespans, being able to cycle many more times with less capacity loss. As they currently stand, they're much better choices for stationary storage applications. However, I have seen them implemented in power tools and cars for their discharge rates, but it doesn't hurt that they will stay healthy for longer.
I mean, I wouldn't mind a car with "only" 200km range, but that can charge up to full in just 5 minutes. I use my car just for work 99% of the time anyway, the times I need to go somewhere further away I can easily stop midway to charge, get a coffee in the meantime and then be on my way.
Unfortunately what's shipping today seems it would offer maybe half that.
For the batteries that were announced this past week, a larger-than-refrigerator-sized cabinet held a capacity of around 15kWh.
Around half the energy density by mass of Lithium batteries, and in the order of a sixth of the density by volume.
Now if only we could come up with a system where your car could be charged while stopped at traffic lights, we might be onto a winner (:
Considering however that the price of sodium is around 1-2% that of lithium, I expect we will see significant R&D and those numbers quickly start to improve.
For anyone looking for an alternative to Sci-Hub (the GOAT), you can make a free account on RG and send a request to the authors for a copy of their paper (about two clicks to perform).
Most researchers will send you a copy within a day, maybe two. If you copy the title or the DOI link into a search with "ResearchGate" it usually shows up in most search engines.
Can somebody explain what this Raspberry Pi is that I see talked about all over Lemmy? Certainly, it is no pie, but I can't seem to grasp what it actually is.
Super small, super cheap computer designed to run Linux. The board itself is about the size of a pack of cards, and cost about $80 although earlier models a few years ago before prices of everything skyrocketed was about $35. It’s a fully fledged computer and with a microssd card loaded with a Linux distribution, a keyboard, monitor and mouse (last two optional) you can have either a command line only or fully fledged gui OS up and running in minutes.
Not super powerful but it’s low energy requirements and form factor make it great for tinkerers and specific tasks/functions. Home automation, video game emulation, pi hole (network wide dns ad blocking), and home based VPN services are a few that pop into mind.
There's a much cheaper model, the Zero, that's good enough for messing around with and performing simple server tasks like PiHole. Even it has had its price increase multifold over the years, though only to fifteen bucks from an original price of five.
It's also much smaller than the already tiny Pi, being able to fit in a standard orange pill bottle. Though the downside of that size is smaller and fewer ports, so you need a USB OTG adapter (preferably a hub) and micro HDMI adapter to plug things into it if you don't want to run it headless.
It is a very popular Single Board Computer, with a lot of community support that allows people to build and program a variety of things for a low price. Think of it like lego, but for things which can be useful as well as fun.
Want to run a weather station? Pi and a couple of off the shelf sensors, done.
Want to control your lights or appliances from your phone without getting out of bed? Pi and a couple of off the shelf relays, done.
Want to build a retro gaming console? Pi, a couple of off the shelf controllers and some pre-made emulators, done.
Although we don't see it, all of these developments do actually eventually make their way into battery tech. The batteries of today are not the batteries of 2014.
If you remember what battery powertools were like in early 2010s, it's super obvious how far we've come. The higher end things like battery powered lawn mowers didn't exist, and if you wanted real power, you needed a cord.
I don't always need my lawn mower/blower/weed trimmer on batteries. I wish I could easily plug them in when doing light dut work close to the house. But then they couldn't tie me into their battery ecosystem as easily.
I've seen a Makita eletric brush cutter with an adapter to plug straight into a standard outlet. The person who bought the machine told me it was more expensive than a battery pack but at least it made the machine usable for longer periods of time when energy is available.
I still remember that in the 90s till the 2000s you would get maybe 60 to 90 minutes of battery life out of a new laptop. Then it jumped to 4 or more hours thanks to better batteries, more energy efficient CPUs and displays.
They said the outage was caused by a misconfiguration that resulted in UniSuper’s cloud account being deleted, something that had never happened to Google Cloud before.
Bullshit. I've heard of people having their Google accounts randomly banned or even deleted before. Remember when the Terraria devs cancelled the Stadia port of Terraria because Google randomly banned their account and then took weeks to acknowledge it? The only reason why Google responded so quickly to this is because the super fund manages over $100b and could sue the absolute fuck out of Google.
This happened to me years ago. Suddenly got a random community guidelines violation on YouTube for a 3 second VFX shot that was not pornographic or violent and that I owned all the rights to. After that my whole Google account was locked down. I never found out what triggered this response and I could never resolve the issue with them since I only ever got automated responses. Fuck Google.
Serious question:
How is this different than all the other sensationalized headlines about some technology that's gonna change everything, and then you later hear nothing about it?
I had a little discussion with a guy complaining about sodium batteries and how you keep hearing these wild claims and then nothing. I did a quick search and saw an article about a $2 billion partnership agreement to work on a pilot plant for sodium batteries. He claimed it was yet another sensational headline and doubted anything would happen from it. Less than a week later I saw an article about a plant in America being announced.
This stuff is hard. It's not like Master of Orion where you throw money at a specific research and get access upon completion. Different groups around the world are researching a multitude of different ideas, some related, and after a while a bunch of these ideas are combined and associated and researched, and all of a sudden you have a new product that's significantly different from what was available before. And then you see incremental improvements for decades, not unlike the internal combustion engine or rechargeable lithium batteries.
It's the same with many infrastructure problems. You hear about some interesting infrastructure project that's going to transform regional travel, improve transit, make biking/walking safer, or prepare for future natural disasters. Then it takes forever for them to go into place because it takes a long time to plan, do the legal work, and build. But then the infrastructure goes into place and no one thinks twice about the long process behind it.
And we should also consider the longevity of these infrastructures. Cities that built their subways in the 19th century are still running them today and are vastly superior in terms of transit abilities than car cities. The population densities of today are unimaginable without central sewers and water infrastructure. Having continent spanning electricity grids are gigantic achievements. All these have shaped our lives for decades and sometimes centuries already and they are set to do so for centuries to come.
Electrolytic capacitors are closer to batteries than to non-polarized capacitors. Lithium-ion cells in capacitor housings also exist, presumably to evade tariffs and restrictions involved in shipping batteries.
Electrolytic capacitors use the chemistry to make a very high dielectric allowing the plates to get very close and increase the capacitance and decrease the size.
A cell in a battery is a capacitor then converts the charge on the plates into chemical energy and vice versa allowing much more energy storage and a flat operating range as the plates charge is replenished by the chemical reaction.
This article doesn't go into details but it sounds like the breakthrough is a much better dialectic then storing energy in a chemical reaction.
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