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Joined 3 years ago
Cake day: May 26th, 2023
  • dadarobot@lemmy.mltoTechnology@beehaw.org•You Are Being Misled About Renewable Energy Technology [Technology Connections]
    1214·
    2 months ago

    this is youtube’s ai summary:


    The video discusses the advantages of renewable energy technologies, primarily focusing on solar and wind power, compared to traditional fossil fuels like oil and natural gas (0:00).

    Here’s a breakdown of the key points:

    Disposable vs. Durable Energy (1:19): The video highlights that petroleum is a “disposable” energy source, meaning it’s burned once and gone. In contrast, renewable energy infrastructure like solar panels and wind turbines are durable, one-time investments that generate free energy for decades.

    Cost Comparison: Cars (10:14): The speaker compares the lifetime fuel cost of a gasoline-powered car (Nissan Cube) to the cost of installing solar panels to power an electric car (Hyundai Ioniq 5). He demonstrates that the money spent on gasoline for one car could purchase enough solar panels to power several homes for decades, or completely cover an electric car’s lifetime energy costs (18:59).

    Solar Farms and Economics (22:33): The video explains that solar farms have virtually no operating costs (OPEX) once built, making them highly profitable. They can sell electricity at a lower price than natural gas plants and still generate healthy profits, which can be reinvested to build more solar farms.

    Land Use for Solar (30:35): Addressing concerns about the land area required for solar farms, the video points out that a significant portion of agricultural land in the US is used to grow corn for ethanol, which is a far less efficient energy source than solar power. Converting just a quarter of this corn-for-ethanol land to solar farms could generate more electricity than the entire US grid currently produces annually (35:56).

    Wind Power (38:29): Wind turbines are presented as another effective renewable energy source, capable of generating substantial power even on cloudy days and at night. The video likens their energy output to continuously “spitting out gasoline” (39:56).

    Materials in Solar Panels (41:17): The video details that solar panels are primarily made of abundant materials like aluminum, glass, and adhesives, with the actual silicon cells being extremely thin. This contrasts with the constant extraction of raw materials for disposable fossil fuels.

    Battery Technology (50:52): The video addresses concerns about batteries used with renewable energy, emphasizing their longevity (up to 5,000 charge cycles) and the ongoing advancements in battery chemistry that are extending lifespans, lowering costs, and reducing the need for rare materials.

    Conclusion (1:02:41): The speaker concludes that based on economic realities and long-term thinking, renewable energy paired with energy storage is the most sensible and cost-effective path forward, and that misinformation surrounding it often comes from those protecting vested interests.

  • dadarobot@lemmy.mltoLinux@lemmy.ml•*Permanently Deleted*
    4·
    4 months ago

    yeah thats exactly what i loved about ubuntu studio. it has basically every creative app you can find for linux.

    in the same vein, i was looking at the commodore vison os, and that too is packed to the gills with included apps, more of a focus on the gaming aspect. the interface is god awful tho lol.

    as a long time linux user, im happily on manjaro, but flirting with nixos.