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Comment: Re:GPLv4 - the good public license? (Score 1) 140

by Hadlock (#47537009) Attached to: The Army Is 3D Printing Warheads

And in the 20th century Spain was mostly a ghetto and the rest of the Spanish speaking countries, banana republics were mainly dealing with internal conflict (or US intervention *cough* Guatemala *cough*; all of South America has been peaceful since the Bolivar republic split over 100 years ago; China hasn't had a military victory of note in the last 120 years, which is why I explicitly said 20th century. Thanks for the irrelevant 400-year history lesson, though.

Comment: Re:I wonder how long it would've taken NASA? (Score 4, Interesting) 49

by Hadlock (#47516507) Attached to: SpaceX Releases Video of Falcon Rocket's Splashdown

It's really hard to do this kind of landing burn (nicknamed 'suicide burn' as you run out of fuel as the landing feet touch the ground at 0 velocity, and miscalculation and splat or a nice bounce (elon called it the hover slam)) with a solid rocket booster, which we keep buying/making to prop up the ICBM industry with civilian dollars. The shuttle ended up with SRBs instead of L(iquid)RBs purely due to political reasons.
 
Actually, for the Saturn V, blueprint drawings do exist made by NASA of a cockpit on the side of the main booster tank with glider wings, to take it the 300 miles back to a safe landing site. Obviously that complication got scrapped in the mad rush to get to the moon in a decade.

Comment: Re:At those prices? (Score 2) 26

by Hadlock (#47324819) Attached to: Intel Offering 3-D Printed Robot Kits

Have you looked at how much robotics parts cost? A cheap servo is $12, an acceptable servo costs $45, and good servos you might use with surgical precision start at $95. High torque high precision motors a human sized model start in the $450 range and go up from there.
 
Six range of motion arms (let alone three digits per finger) means 12 servos for just the arms. It's no wonder people are looking at pneumatics, hydraulics etc for high torque high precision "digitla muscles". Robotics is expensive. And when you wire a servo wrong at 4 in the morning because you've been working too long you end up replacing these things at a fast rate (Ask me how I know). Just getting in to a 5 degree of motion laser cut wood arm, starting the hobby from scratch, cost me about $600. And that's with the $12-20 level servos.

Comment: Re:Tuning it out? (Score 1) 254

by Hadlock (#47301553) Attached to: The Bursting Social Media Advertising Bubble

Social media works great for things I will talk my friends about movies, politics, and occasionally global sports like the world cup or Olympics. Since I don't watch TV I couldn't tell you what's playing right now, especially since most movies are reboots or sequels which really blend together unless you've seen the trailers a few times. I did end up buying a ticket to the Lego movie due to an ad on Facebook. After almost all of my friends had been talking about it for weeks. Ads for dishwashing soap, soda, pizza etc don't even register for me mentally online.

Comment: Good! (Score 5, Insightful) 619

by DogDude (#47275427) Attached to: 2 US Senators Propose 12-Cent Gas Tax Increase
Good!

a. Gas is much too cheap in the US.
b. We need a lot of infrastructure work.

Of course, I'm sure we could afford to pave all of our roads with gold, have diamond-studded bike lanes, and solid titanium sidewalks if we didn't spend half our budget on wars, but hey, I'm not holding my breath. There's not as much room for corruption in building roads in this country as there is building roads in some 3rd world country that we bombed into oblivion.

Anyone can do any amount of work provided it isn't the work he is supposed to be doing at the moment. -- Robert Benchley

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