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DrunkenPirate @ DrunkenPirate @feddit.org
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12 mo. ago

Scientists make game-changing breakthrough that could slash costs of solar panels: 'Has the potential to contribute to the energy transition'

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  • This is exactely how most inventions are made: put together two things from different realms that might have a good fit.

    Just wait a few years and they will find a way to use the light directly instead transferring it into electricity. There‘re some IC‘s that already use light instead of voltage to compute.

    • Robot performs first realistic surgery without human help: System trained on videos of surgeries performs like an expert surgeon

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  • I work with of those shiny tech companies from China. Believe me the shiny part is on the surface only. The more you look under the hood, the more it’s getting poor. With Chinese tech the problems start when you have it. European companies before you have it. US companies when you have no scale.

    Regarding Chinese regulations, you simply drill it down to: for the Government a human live is not worth much. Because „we are so many“

    • Robot performs first realistic surgery without human help: System trained on videos of surgeries performs like an expert surgeon

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  • That’s a different thing indeed. In your case the AI 🤖 goes wild, will strip dance and tell poor jokes (while flirting with the ventilation machine)

    • Robot performs first realistic surgery without human help: System trained on videos of surgeries performs like an expert surgeon

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  • I doubt it. It simply would be enough, if the AI could understand and say when it reaches its limits and hand over to a human. But that is even hard for humans as Dunning & Kruger discovered.

    • Robot performs first realistic surgery without human help: System trained on videos of surgeries performs like an expert surgeon

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  • And then you‘re lying on the table. Unfortunately, your case is a little different than the standard surgery. Good luck.

    • The worst part of getting old is that you get less and less "first experiences" and are always comparing current with previous ones

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  • Actually, this is where mastership comes from.

    If you spend even more time, you‘ll become a master in this matter. Because you recognise the little differences to the former experiences. And you learn to handle and to steer it.

    It‘s not all bad in not having a first experince only.

    • Money is just a representation of favors - digital money gives a third party control of your favors

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  • Great book. Gave me new thoughts about money and avoiding credits/mortgage

    • The Decline of Usability: Revisited | datagubbe.se

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  • It’s all Marketing. In order to attract users with fancy looking interfaces, many usability rules get overriden.

    This started already years ago with the new, sleak looking Windows 10. Internally the usability problems were known. But marketing pushed for the release date. This UX drama was costly. over 5 billion in the air for the launch alone. Ending in a blame.

    • The Decline of Usability: Revisited | datagubbe.se

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  • Even though it’s common to bully on Microsoft, it’s not true in this case. There have been many studies and user tests to find an understandable way for users to reach that massive functionality of the MS office software. The Ribbon interface was the best in those testings.

    • Four teams of Humanoid Robots faced off in a fully autonomous 3-on-3 Football game powered entirely by Artificial Intelligence in Beijing on Saturday night.

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  • That sort of competitions exists already for ages. RoboCup is the keyword to search Youtube. Besides other shapes, the Humaoid league is this area.

    Proud to say, that Germany is quite advanced in this competition. I once talked with a Prof of the winning team about the challenges. It‘s mainly speed of computing and recognition, coordination with team with close to no network connectivity (think about how crowded networks are at every standard exhibition)

    • The "standard" car charger is usually overkill—but your electrician might not know that [32:26]

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  • Can you source your statement that fast charging reduces lifetime?

    • The "standard" car charger is usually overkill—but your electrician might not know that [32:26]

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  • I‘m not sure if fast charging degrades batteries. Just read somewhere an article stating that fast charging initially - first charge - boosts the overall capacity of the batterie due to chemical reactions that do not occur that long at anodes.

    The issue with fast charging was the thermal management - it’s getting to hot. This is managed by good battery management and a different packaging of cells nowadays. I think fast charging isn’t an issue anymore. Can’t provide you a link or such, it’s what I gathered through serveral podcasts.

    • The "standard" car charger is usually overkill—but your electrician might not know that [32:26]

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    • The "standard" car charger is usually overkill—but your electrician might not know that [32:26]

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  • In recent test of a German auto club they found out that it‘s cheaper/ more effective to charger faster. You loose a lot of energy if you load slow over hours.

    This energy is taken by the electricity of the car. So, while charging the car is on and takes some Watts. There are just a few brands that have decoupled the charger circuit from the overall electric circuit of the car.

    Can’t find the article now, but I think charging a PHEV through a standard power plug had about 20% energy lost. It was clearly visible that a charger is a good choice.

    Edit: link https://www-adac-de.translate.goog/rund-ums-fahrzeug/elektromobilitaet/laden/ladeverluste-elektroauto-studie/?_x_tr_sl=de&_x_tr_tl=en&_x_tr_hl=de&_x_tr_pto=wapp

    You‘ll loose

    • ~10-30% AC 2.3kw Standard Power Plug
    • ~ 5-10% DC 11kw Wallbox
    • Internal car electronics are crucial: Is the loading circuit de-coupled or the entire car On?
    • Temperature or pre-heating the battery before loading reduces losses at DC charging

    • Yes

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  • My first typing was a game into C64 using machine code. Game magazines at that time dedicated a few pages with lines of hex numbers for games. After typing 4 pages you had a game.

    Unfortunately, I‘ve got my data tape recorder two month later for xmas. And mom was nervous about keeping the power on for days. I entered those numbers quite some times. Load„*“,8,1

    • Hyundai begins using Boston Dynamics humanoid robots at US factory

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  • Good point.

    However, there‘s a crucial difference to cars. Robots are hardware AND software. And I don’t know anybody who uses Windows 95, CorelDraw, and Netscape today. Software and connected hardware outdate mich faster than simple hardware.

    • Hyundai begins using Boston Dynamics humanoid robots at US factory

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  • The battery! It lasts for just 1-3 hours. That’s why there aren‘t robots on the battlefield nowadays. Once the energy issue is solved this will change

    • Hyundai begins using Boston Dynamics humanoid robots at US factory

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  • Sure. But at what costs? One can do many things by technology. Are people willing to pay for it? And how much?

    • Flies bother people because the flies expect us to be covered in shit, like other animals

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    • My cat will pee in a box but she will not pee in a box in a box.

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  • How clever your cat is. Look at you, you pee into a box and you live in a box.