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Comment: Re:Why - why $1 billion a year? (Score 1) 66

by Lumpy (#47442425) Attached to: FCC Approves Subsidy Plan to Upgrade School and Library Networks

nobody employed at a K-12 school has the ability or IQ to properly run and terminate cat6/fiber/etc let alone install a clean network rack.

Ever single school my company is called in to fix was an utter nightmare that had to have most of the infrastructure gutted. Idiots just running non plenum wire in the ceiling ducts, etc...

If you want it half assed, let the school do it. If you want ti right, hire a real company of professionals to come in and install it right so it has a chance to survive the school's staff.

Comment: Re:Correct me if I'm wrong, but... (Score 1) 59

by Lonewolf666 (#47437511) Attached to: Sand-Based Anode Triples Lithium-Ion Battery Performance

That said, the real papers you want to be on the lookout for are cathode improvements, there's a lot more potential for volume/mass reduction there than in the anode.

Exactly, all articles I can remember offhand for the cathode talk about a capacity of less than 200 mAh/g for existing cathode chemistries. So the cathode would make up most of the weight of the battery.

If the technology from TFA works out, maybe we can get a 20% - 30% improvement in overall energy density.

Comment: Contacts matter (Score 1) 490

Many years ago, I joined a group of audiophile students at my university and we were building a pair of two-way loudspeakers with semi-expensive chassis. Students' budget, but it still had potential. When experimenting with crossover components, we soldered things together at first, then someone had the idea to use alligator clips (two each connected by a cable soldered to the clips) for faster turnaround.

The sound quality, which had been quite good up to that point, suddenly dropped to that of a cheap speaker from some supermarket. The ohmic resistance of the cable between the alligator clips was IMHO too low to have much of an influence.

Conclusion:
It must have been the alligator clips, and good contacts matter. Since that experience I like to use gold-plated connectors, but with standard cables to connect them. That combination tends to be cheap enough and works for me :-)

Comment: Re:No. (Score 1) 490

Depends on your main board.

My last purchase from 2011, an ASUS M4A7LT, has an onboard sound chip that cannot drive headphones at more than low volume.

At low volume it sounds good, and I'm sure it would be adequate to drive the input of an amplifier. But when I put in my (low impedance, maybe 30 Ohms) walkman headphones it fails miserably. Severe clipping as soon as I turn up the volume a bit.

Instead of putting an external amplifier on my desk, I put a sound card into the PC. Problem solved.

Comment: Re:Hi speed chase, hum? (Score 1) 426

by Jeremi (#47436309) Attached to: The First Person Ever To Die In a Tesla Is a Guy Who Stole One

Many police departments now have a policy of not performing chases for non-violent crimes because, statistically, you're more likely to kill bystanders by chasing than by letting the criminal drive off.

Given that it's a Tesla (and a dealer-owned one at that), was a chase necessary at all? I suspect that Tesla Corp could have given the police a live feed of the car's GPS co-ordinates at any time?

Comment: Re:Schedule some days as offset days (Score 1) 254

by Lumpy (#47433495) Attached to: Ask Slashdot: Unattended Maintenance Windows?

Actually that 80 hour a week guy will quit without notice really fucking the company.

Hell I took my vacation time left and called in sick for the last days I had in my sick bank while I worked at my new job.. the day I was supposed to be back at my old job I walked in at 8 am dropped my badge and keys on my bosses desk and said, "I quit, hope you can hire the 3 guys you will need to replace me quickly." I had informed HR that I was quitting in writing that morning at 7am when they got there.

It screwed them over hard, really hard. I got a call from the VP begging for me to come back with a 30% pay increase 2 hours after I walked out the door. I said he doesn't have enough money in the world for me to work there anymore, I wished them luck replacing me.

Funny thing, 6 months later the 2008 crash happened and they closed up for good.

"I'm not a god, I was misquoted." -- Lister, Red Dwarf

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