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Comment: Some appliances run fine on DC (Score 1) 588

by n1ywb (#49791131) Attached to: How Tesla Batteries Will Force Home Wiring To Go Low Voltage

Many appliances run just fine on 120v DC power. Of course it's hard to tell which ones without either taking it apart and examining it or trying it and risking the magic smoke coming out.

Nothing high-current will ever switch to low voltage DC, I hope. I'm already annoyed at my 120v electric lawn mower; stupid extension cord is way heavier than my in-laws 240v electric lawn mower in Europe. Considering the cost of copper we should be switching to higher voltages, not lower.

Seems like the batteries could be redesigned to be higher voltage to reduce inverter losses. Just add more cells.

True sine wave IGBT converters are pretty efficient.

Businesses

IT Consultant Talks About 'Negotiating for Nerds' (Video) 61

Posted by Roblimo
from the paying-it-forward dept.
Matt Heusser did a Slashdot video interview back in 2013 titled How to Become an IT Expert Companies Seek Out and Pay Well. Despite noise from a few yammerheads about Matt getting 'free advertising' on Slashdot, which is unlikely since the vast majority of Slashdot users are more likely to compete with him than to hire him, most of the people who saw that video (or read the transcript) knew he was giving helpful advice to peers who might want to get out of the cubicle and work for themselves.

Today, Matt is with us again. This video is about 'Negotiating for Nerds.' Matt talks about negotiating a pay raise or consulting fee increase, starting with learning who has the actual power to negotiate with you. This is essential knowledge if you are employed (or self-employed) in IT and want to make sure you're getting all you are worth.

Comment: I lived in a FEMA trailer and it wasn't that bad (Score 3, Informative) 79

by n1ywb (#49331165) Attached to: Better Disaster Shelters than FEMA Trailers (Video)
I had the priviledge of living in a government surplus FEMA trailer on a Navy base for about four weeks. It really wasn't that bad. They're just cheap trailers built by some cheap trailer company like the millions of other cheap trailers that people live in all over the US. There's nothing FEMA-ey about them. I don't know what everybody is complaining about. Bunch of whine-ass cry-babies. "Oh the FREE trailer I got from the government ISN'T GOOD ENOUGH". Or maybe this whole thing was concocted by the media. When FEMA got rid of them, this base got about a dozen, for free, and they've been lived in ever since, including by me, and they are perfectly livable.

Comment: Slashdot interviews getting better? (Score 1) 20

by n1ywb (#48961013) Attached to: Interviews: Dr. Robert Ballard Answers Your Questions
There are those in oceanography who would tell you that Bob's submersibles are pressurized by his own overinflated ego. But I guess haters gonna hate. FWIW my grandpa met him once and speaks highly of him, and he answered a letter one of my cousin's wrote to him. And the JASON system is fucking rad.

Comment: Re:So? (Score 1) 175

by n1ywb (#48018895) Attached to: When Everything Works Like Your Cell Phone
Your victrola is probably an exceptional outlyer. It's remarkable because it's so old and still works. Nevermind the million other busted victrolas in the landfill. I've gone through plenty of old stuff that was busted and not worth fixing for any practical reason. Old does not necessarily equal good. Sure manufacturing quality of consumer goods is hit or miss but that's nothing new either. You think nobody sold junk 100 years ago? Yeah right.

Comment: All that's old is new again (Score 1) 175

by n1ywb (#48018853) Attached to: When Everything Works Like Your Cell Phone

It wasn't very long ago that; guess what? NOBODY owned their telephone! That's right, you RENTED it from the phone company! In fact it was ILLEGAL to third party phone. In fact some people STILL RENT their phone. Their ROTARY land line phone.

http://usatoday30.usatoday.com/news/offbeat/2006-09-14-phone_x.htm

Funny how quickly people forget. As they say in china, there's nothing new under the sun.

"To take a significant step forward, you must make a series of finite improvements." -- Donald J. Atwood, General Motors

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