spenrose

28 ms·

241.
by spenrose 7y ago
That halving will make variable renewables much more effective: https://www.vox.com/energy-and-environment/2019/8/9/20767886...
242.
by spenrose 7y ago
"A US energy grid run entirely on renewable energy (at least 95 percent of the time), leaning primarily on energy storage to provide grid flexibility, may be more realistic, and closer to hand, than conventional wisdom has it."
243.
Getting to 100% renewables requires cheap energy storage. But how cheap?(vox.com)
7 points by spenrose 7y ago|4 comments
244.
by spenrose 7y ago
"for the same capital outlay, wind and solar projects will produce 3 to 4 times more useful energy at the wheels than oil will at $60 a barrel for diesel-powered vehicles. For petrol cars, the ratio is even less favourable — the renewa
245.
Renewable energy is good money, not just good for the earth(ft.com)
3 points by spenrose 7y ago|1 comments
246.
by spenrose 7y ago
Most of BART’s challenges stem from 180 software packages and 30 microprocessors that make up each Bombardier vehicle. Each is a complex symphony of systems that communicate over an Ethernet backbone. A bug in one line of code could shut th
247.
EV charging stations, consumer psychology, and money(twitter.com)
1 points by spenrose 7y ago|0 comments
248.
by spenrose 7y ago
There's an old joke about four-wheel drive on cars: instead of getting stuck right when you go off road, it ensures that you'll get pretty far into the woods before getting stuck. IHMO that metaphor applies here. Like the Web, Goo
249.
by spenrose 7y ago
The Software/Data Carpentries focus intensely on these matters, and their founder Greg Wilson continues to work on them: https://carpentries.org http://third-bit.com
250.
by spenrose 7y ago
That is what I'm saying. "this audience understands ...": 1. I think a quick scan of their responses will refute that, but in any case 2. my point is that there is no value to this study for non-researchers. General sophistic
251.
by spenrose 7y ago
Not implying, just informing, for those who may not make the connection.
252.
by spenrose 7y ago
N=26. No control group eating, say, lots of low-inulin vegetables. Highlighting studies such as this one is not the right way to popularize science. This study should be of interest to other researchers. Once N is several orders of magnitud
253.
by spenrose 7y ago
Same idea, but much more comprehensive: https://github.com/k88hudson/git-flight-rules
254.
by spenrose 7y ago
Saul Griffith: "what, then, is a reasonable and defensible cost estimate for a GND that focuses specifically on solving climate change and decarbonizing the economy? ... the price tag for complete decarbonization is reasonable, and doe
255.
Green New Deal: How much does fixing climate change cost the US?(medium.com)
2 points by spenrose 7y ago|1 comments
256.
by spenrose 7y ago
"VotingWorks is a non-profit building a secure, affordable, open-source voting machine." https://voting.works/2018/11/votingworks-better-voting-machi...
257.
Everything I learned reading Uber’s IPO filing(oversharing.substack.com)
1 points by spenrose 8y ago|0 comments
258.
by spenrose 8y ago
He titles it "college" and mostly uses Harvard as the example. About 0.1% of students attend Harvard, and their admissions experience is atypical.
259.
by spenrose 8y ago
The study: https://onlinelibrary.wiley.com/doi/full/10.1002/bjs.11151
260.
by spenrose 8y ago
Our 2015 model year Leaf has not had any observable loss of range, FWIW.
261.
by spenrose 8y ago
The article states: 1. The price of Lithium will drop by half in the next five years: "prices, which averaged $1,160 per kilowatt hour in 2010, reached $176 per kWh last year and could drop below $100 in 2024". 2. Tweaks to the fo
262.
by spenrose 8y ago
Kudos to Klabnik for quoting from original documents. As he notes, Free Software is a complex phenomenon, and I respectfully submit that he doesn't do justice to the seeds-of-its-own-demise nature of its founding. My account, based lar
263.
by spenrose 8y ago
Highest recommendation for The Manager's Path: https://www.oreilly.com/library/view/the-managers-path/97814... Also excellent but require some translation to a tech setting: Becoming a Manager (Hill) and
264.
by spenrose 8y ago
Great work, thank you so much! I was looking for PyPy vs C-Python 3.x speed comparisons on the site and not finding any. Do you publish them?
265.
by spenrose 8y ago
Summary: "Directly import and utilize the best-in-class visualization and UI tools in Javascript. Combine Python, Javascript, Markdown, and CSS. ... Your notebook should be as easy to share as a web page.
266.
Iodide lets you do data science entirely in the browser(alpha.iodide.io)
7 points by spenrose 8y ago|1 comments
267.
by spenrose 8y ago
Excerpt: "South Street Seaport and the Financial District, along the eastern edge of Lower Manhattan, sit so close to sea level — just eight feet above the waterline — and are so crowded with utilities, sewers, and subway lines that we
268.
My New Plan to Climate-Proof Lower Manhattan(nymag.com)
7 points by spenrose 8y ago|1 comments
269.
by spenrose 8y ago
Excerpt: "In 2015, Sophie — a recent graduate of the School of Earth’s Ph.D. program who wished to remain anonymous in order to preserve her relationship with her advisor — and five others in her Ph.D. cohort took a prospective Ph.D. c
270.
by spenrose 8y ago
Excerpt: "Here are four pressing questions about privacy that Mr. Zuckerberg conspicuously did not address: Will Facebook stop collecting data about people’s browsing behavior, which it does extensively? Will it stop purchasing informa

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