Viewing profile — mlwiese
mlwiese
HN member- Joined
- Mon, Apr 20, 2020, 10:31 PM UTC
- HN karma
- 42
- Public activity
- 19 items
- HN profile
- View on Hacker News ↗
About mlwiese
No profile information was provided.
Recent public activity
-
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...
-
comment
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.…
- story
-
comment
Comment #41125796
There is no try, only do. -Yoda
-
comment
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 …
-
comment
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…
- story
-
comment
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
-
comment
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…
-
comment
Comment #26471814
How do you differentiate your company from https://www.bidgely.com
- story
- story
-
comment
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…
-
comment
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…
- story
- story
- story
- story
-
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…