Viewing profile — scott_ci
scott_ci
HN member- Joined
- Tue, Jul 16, 2013, 4:31 PM UTC
- HN karma
- 25
- Public activity
- 13 items
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About scott_ci
Recent public activity
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Comment #18160732
Pumped storage analysis: https://dothemath.ucsd.edu/2011/11/pump-up-the-storage/ spoiler: not remotely possible to scale large enough for total world needs. "If we drained one mete…
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Comment #18052146
I just went on a zip line for the first time, and climbing their tallest ladder was pretty unnerving. I don't have a great fear to begin with, but my the wow-I'm-really-hear effect…
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Comment #18052092
As someone who develops VR on a daily basis, I'm skeptical that 3D over 2D is the key. When I first tried on a headset, and watched a video from up high, my fear of heights kicked …
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Comment #18052067
there's a company that focuses on this: http://www.forklift-simulator.com/
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Comment #14229158
I imagine a marketplace with a ledger of electrons and money, with smart switches and meters that directly interact with this marketplace. One interesting idea is having certain en…
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Comment #14229023
the plan for ethereum is to switch to proof-of-stake, but that has definitely not been figured out yet. I could also see a more private blockchain supporting stuff like this. Maybe…
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Comment #14228993
There's a recent podcast about this and blockchain + energy sector in general: https://epicenter.tv/episode/174/ Why blockchain? It enables peer-to-peer buying and selling of elect…
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Comment #12572037
I've found that getting a wallet and sending some Bitcoin is a great first step. This course introduces Bitcoin and also surveys an array of other decentralized, blockchain project…
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Comment #8940770
I've heard public health people talk about the problem of giving away nets for free before, and that charging some amount of money seems to improve usage. It may be more than just …
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Comment #6428706
theoretically, Bitcoin doesn't require any trust. But with the majority of mining being done be a few large pools, I think the distributed protection of the system is severely comp…
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Comment #6428699
True, I still need add a note in the video about the public key. As far as I know, this doesn't impact the security of the system, just makes addresses easier to pass around. Also …
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Comment #6052917
why I made this video: A lot of the videos and explanations I read about Bitcoin were vague and mystical sounding. Or, alternately, super long and rambling. This is my effort to ex…