Viewing profile — steffenfrost
steffenfrost
HN member- Joined
- Fri, Apr 08, 2011, 10:12 PM UTC
- HN karma
- 39
- Public activity
- 45 items
- HN profile
- View on Hacker News ↗
About steffenfrost
Recent public activity
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Comment #39269649
Couldn't you shoot an electron bream ahead of the ship to ionize the atoms and the deflect them with a magnetic field?
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Comment #25607759
I thought this was a proposal to give convicted criminals the choice between prison or school.
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Comment #25479944
This is the camel's nose in the tent. If this is adopted, the threshold will move down and the percentage will move up and eventually will touch everyone. Liberal politics turn eve…
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Comment #24094493
Mister Educated applauding the curtailment of speech.
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Comment #24091367
There is new data from the Juno Mission, that Jupiter has a diluted core. "...heavy elements (elements other than hydrogen and helium) are distributed within a region extending to …
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Comment #24082069
Why is the metallicity of the sun so low when they are so high for the planets?
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Comment #21036795
What is a floppy disk?
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Comment #20855390
It's worth noting that when this was presented to Kennedy, he didn't have the general criminally charged.
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Comment #14778502
Why would they turn off those seismometers? What a shame.
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Comment #14414069
Dang, I thought it would be the wallet app. :(
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Comment #13516304
What could possibly go wrong?
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Comment #13386248
If the system scales based on the fluid, the $/kwh could get pretty low. Would be interesting what a MWh amount of heat storage would cost.
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Comment #12021763
Past midnight, couldn't stop reading. Can't imagine the sheer horror of their predicament in that terrain, during the summer heat. The author deducing how the Germans ended up in t…
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Comment #11802795
If this is so, then why can invasive species wreak havoc in an ecosystem? http://ocean.si.edu/ocean-news/5-invasive-species-you-should...
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Comment #11782092
Would swizzling methods violate copyright?
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Comment #11552782
Lifetime cycles are an issue for Li-ion batteries. For example, lets look at the Tesla Powerwall numbers. The Powerwall warranty covers 85% of capacity with 740 cycles in the first…
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Comment #11323890
Anyone know how many transaction per second the Ethereum network can handle? Also, how fast does the blockchain grow in size in GB/month?
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Comment #10888379
Yeah, that is bizarre. How much do these volcanoes contribute to ocean acidification and over what time scales?
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Comment #10503067
Battery cost are projected to drop significantly over the next 5 - 10 years.
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Comment #10461411
Best case Fool Cell technology will be as good as battery technology is today. "Extremely silly" according to Musk. https://www.youtube.com/watch?v=Y_e7rA4fBAo
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Comment #10370719
Autonomous vehicles with inductive charging will solve this problem. Tell your car to charge then park itself, and have it come pick you up when you're ready. It's going to be awes…
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Comment #9876528
Is it me, or do all the photos seem out of focus? Million miles is 4 times the distance to the moon so perhaps this is the reason why.
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Comment #9077061
Isn't the NSA breaking US law by hacking into a commercial entity's network?
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Comment #8824490
How about a video recording app that punishes you for shooting vertical.
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Comment #8728373
The treatment of Wegener's theory of Continental Drift is a lesson for the scientific community. If one is not allowed to mention or entertain an idea without career repercussions,…