gwh's posts

Jan. 17, 2017, 2:29 p.m.

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Joined: June 9, 2009

Donald Trump... Narcissist in Chief!

Personally I am NORMALLY opposed to making fun of any public figure based on appearance or other unimportant traits as it's distracting to conversations of actually substance.

Trump is an exception though, somehow me managed to get to office despite countless articles, testimonies and historical evidence of how unsuitable and unqualified he is. He can lie countless times and see literally ZERO repercussions. His mocking of others based on physical appearance begs for the same treatment in return.

So yeah, he deserves every tasteless meme, mocking skit and even outright lie (#GoldenShower) that the internet can throw at him. With luck he'll have a heart attack in the midst of some rage filled twitter rant.

Dec. 5, 2016, 8:21 p.m.

gwh

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Joined: June 9, 2009

Government Questionnaire on Electoral reform

Good you bring this up. I personally think Permanent Residents should be allowed to vote. My parents are both Dutch citizens who have lived in Canada since the 70's, but have to give up their Dutch citizenship if there were to become Canadian citizens. Same applies to my Japanese wife.

Actually not what I meant at all, although I agree that your parents should be able to vote ;)

What I meant is voters should be able to demonstrate a reasonable understanding of policies of party that are running in order to have their vote be eligible. Help ensure that voter education be taken seriously as well as clear and well defined party policy.

Dec. 5, 2016, 7:56 p.m.

gwh

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Joined: June 9, 2009

Government Questionnaire on Electoral reform

No questions on understanding of issues and policies for voting eligibility, how disappointing.

Aug. 4, 2016, 9:45 a.m.

gwh

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Joined: June 9, 2009

Byebye oil industry

Also, where are they planning to get all this free hydrogen from to combine with CO2?

"The UIC artificial leaf consists of two silicon triple-junction photovoltaic cells of 18 square centimeters to harvest light; the tungsten diselenide and ionic liquid co-catalyst system on the cathode side; and cobalt oxide in potassium phosphate electrolyte on the anode side.
When light of 100 watts per square meter â about the average intensity reaching the Earthâs surface â energizes the cell, hydrogen and carbon monoxide gas bubble up from the cathode, while free oxygen and hydrogen ions are produced at the anode."

So it's still a photovoltaic producing H2 via electrolysis of water.
Curious how this compares to a Sabatier reaction (conversion of CO2 and H2 to methane) for energy efficiency.

Aug. 4, 2016, 9:34 a.m.

gwh

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Joined: June 9, 2009

Byebye oil industry

Tech like this could really be ideal for northern [HTML_REMOVED] isolated Canadian communities that are currently dependent on diesel for power generation. ROI should be much shorter given the very high cost of fuel in those locales.

June 24, 2016, 9:19 a.m.

gwh

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Joined: June 9, 2009

Sun Peaks!!!

Would say it depends more on what you want to ride: mostly flow or mostly tech?

Silver star is pretty groomed, Sun Peaks is mostly rock and root gnar. There's exceptions for both but limited choices.

May 31, 2016, 1:30 p.m.

gwh

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Joined: June 9, 2009

gearbox bikes

^That's very similar internally to the Honda derailleur-in-a-box. The driver sprocket on the crankshaft is very small, meaning that the pull running through the chain will be way too high for standard bicycle chain. If that's what they are using it's a ticking time bomb.
http://www.rb-bike.cz/cz/racebike/revoluzzer
http://www.rb-bike.cz/uploads/pdf/patent.pdf

There's a better way :)

May 26, 2016, 12:22 p.m.

gwh

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Joined: June 9, 2009

Electric Vehicle (EV) discussion thread

This is just too much fun, Model X drag race vs. Alpha 4C (Italian supercar).
SKIP TO 3:17:

https://www.youtube.com/watch?v=ib-02b2ooLY

May 24, 2016, 2:22 p.m.

gwh

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Joined: June 9, 2009

3D Printing?

Arduino is quite amazing, have played around with it in an introductory course at the makerspace here. One of the makers took an old PC CD drive and along with an Arduino and a pen modified it to be a CNC "ink printer". Pretty spectacular that with one of these little $10 boards you can build and control just about anything.

Read a while back about a software that when given load paths and some other basic criteria will generate an optimized structure. The end result is a very organic, skeletal looking frame that is really only constructable via 3D printing. Allows much stronger joints than traditional manufacturing can allow for.
http://www.forbes.com/sites/hilarybrueck/2015/09/01/why-computers-could-design-more-organic-products-than-humans/#6614849739b9

May 24, 2016, 1:26 p.m.

gwh

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Joined: June 9, 2009

3D Printing?

Caveat being that the reinforcement is limited to one plane, limits the applications somewhat.
I imagine the next step would be a print bed with it's own degrees of freedom or building around a spindle so that the finished part could handle loads on any 3-axis.

May 24, 2016, 9:19 a.m.

gwh

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Joined: June 9, 2009

3D Printing?

Yah, lots of new materials coming down the pipe. Just got wind of commercial release of some fiber reinforced nylon composites that claim higher strength to weigh ratio than T6-6061 aluminum. Pretty amazing stuff.

You mean this?