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mlwiese

HN member
Joined
Mon, Apr 20, 2020, 10:31 PM UTC
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42
Public activity
19 items

About mlwiese

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Recent public activity

  1. comment
    Comment #47905369

    Framingham, MA has a geothermal system using ground source heat pumps like what you are describing https://www.smartcitiesdive.com/news/first-networked-geother...

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    Comment #46257575

    No, Lazard estimates the fuel cost is $22-$23/MWh for Gas Combined Cycle, and $13-$18/MWh for Coal. See pages 39-40 of https://www.lazard.com/media/0sopmth5/lazard-releases-2025-l.…

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    Comment #41125796

    There is no try, only do. -Yoda

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    Comment #40108520

    Note you can toggle off sources in the chart by tapping on them in the legend. Gas plants can respond quickly to changes in load, but they need to be up and running to do that. In …

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    Comment #36352563

    Except pretty much everyone thinks the CCS2 connector sucks compared to the Tesla connector. The EU ought to mandate the Tesla connector instead. We're still in early days, no need…

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    Comment #27952666

    You can use CO2 as a refrigerant. Non flammable and enables heat pumps to be practical at lower temperatures. Lots of products on the market. See https://r744.com

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    Comment #26706958

    This can be used to monitor someone's breathing in a non-invasive way, which would be good. Here's a startup that has been working on it: https://www.originwirelessai.com/technolog…

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    Comment #26471814

    How do you differentiate your company from https://www.bidgely.com

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    Comment #23217244

    There is movement away from stop-the-world GC, but not to reference counting. The movement is towards better GC. The language Go has sub millisecond GC with multi-GB heaps since 20…

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    Comment #23163019

    The modern equivalent is Hiccup and Clojure. https://github.com/weavejester/hiccup/wiki/Syntax Clojure has literal lists using parens and vectors using square brackets. By using bo…

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  19. comment
    Comment #22929564

    This LA study has one of the same authors as the Stanford study (Neeraj Sood). It uses the same test and so it has the same issues with the false positive rate. An honest person wo…