DavidSJ

78 ms·

841.
by DavidSJ 14y ago
Robots still need a launch vehicle.
842.
Print me a phone: new 3D printing techniques to embed electronics into products(economist.com)
50 points by DavidSJ 14y ago|4 comments
843.
by DavidSJ 14y ago
The delta V requirements to go from the outer solar system to Mars are far less than those required to go from Earth to Mars. Plus, an ammonia iceteroid can be moved around virtually for free (with significant mass lost upon arrival) since
844.
by DavidSJ 14y ago
Incentive, I mean.
845.
by DavidSJ 14y ago
The escrow service can donate the money to charity. Since the seller never gets it, there's no disincentive for fraud in the first place.
846.
Doing More Time in School: A Cruel Non-Solution to Our Educational Problems(psychologytoday.com)
2 points by DavidSJ 14y ago|0 comments
847.
Why the Many Worlds Interpretation is Inescapable(richannel.org)
1 points by DavidSJ 14y ago|0 comments
848.
Injecting life-saving oxygen into a vein(childrenshospital.org)
1 points by DavidSJ 14y ago|0 comments
849.
by DavidSJ 14y ago
Thanks, sorry about the incorrect title.
850.
Fresnel lenses may help to find life in other solar systems(economist.com)
24 points by DavidSJ 14y ago|9 comments
851.
Sequencing cancer genomes predicts best treatments(economist.com)
1 points by DavidSJ 14y ago|0 comments
852.
by DavidSJ 14y ago
Glass is preferable because it can be reconfigured by software to fit the application, allowing dead-simple, focused interfaces rather than bloated, inflexible catch-all input devices. The tradeoff was the loss of tactile feedback, meaning
853.
by DavidSJ 14y ago
"I think X, but I could be wrong." != "X is true except for when Y."
854.
by DavidSJ 14y ago
Maybe they'd like for one guy to share the URL with everyone.
855.
by DavidSJ 14y ago
I was hanging on the edge of my seat after Mission Control requested of the ISS cosmonaut to restart his Outlook.
856.
by DavidSJ 14y ago
Don't trust credentials from Yahoo, whether cryptographic or educational.
857.
SpaceX/ISS fly-under, coverage starts at 11:30 pm PDT(nasa.gov)
56 points by DavidSJ 14y ago|58 comments
858.
by DavidSJ 14y ago
And http://www.nasa.gov/multimedia/nasatv/ustream.html
859.
by DavidSJ 14y ago
Your bandwidth delay product will be astronomical.
860.
by DavidSJ 14y ago
From http://www.reddit.com/r/space/comments/tud1w/spacex_webcast_... : "[T]he Apollo program was a major effort by the most powerful nation in the world. Falcon/Dragon is happening because a young genius decided to become a Heinlein hero,
861.
by DavidSJ 14y ago
Coverage here as well: http://www.nasa.gov/multimedia/nasatv/index.html
862.
SpaceX ISS launch webcast starts at 4:15 am EDT(spacex.com)
159 points by DavidSJ 14y ago|72 comments
863.
by DavidSJ 14y ago
Icons are visual words, and like words, they have a history (etymology) which is often long forgotten. But even with their history lost, they become familiar as identifiers of a concept, and so we keep them for that reason.
864.
by DavidSJ 15y ago
That's much less than 80% reliability per pun.
865.
The Astrobiology Primer: An Outline of General Knowledge(arxiv.org)
19 points by DavidSJ 15y ago|1 comments
866.
The Case For Mars(youtube.com)
1 points by DavidSJ 15y ago|0 comments
867.
by DavidSJ 15y ago
See also: http://ask.metafilter.com/71101/What-single-book-is-the-best...
868.
by DavidSJ 15y ago
Whether currency-based investments have historically provided positive real returns is an entirely separate matter from whether it is possible to time investment in currency-based investments based on expected future inflation rates.
869.
by DavidSJ 15y ago
I suggest you not try to speak for every parent. Also, it'd be best if you didn't use euphemisms for censorship.
870.
by DavidSJ 15y ago
I feel bad for any kid who's forced to use this instead of a real phone.

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