ianyang's comments

On: I’m leaving China

[ianyang]

I believe it's much more about tribalism. There's a lack of civic bond between strangers because the idea of nationhood sits above individuals. That's why you see people completely ignoring the existence of others, while being overprotective of their own kins.

[vixen99 → ianyang]

On a scale of 1 to 10, what's the definition for 'overprotective' and what level of protectiveness would you recommend we adopt?

On: EPA's proposed new rule would allow it to ignore the best available science

[ianyang]

Reproducibility doesn't require the original data set to be present, only that the method of conducting that particular study reproducible. There are huge differences.

[refurb → ianyang]

If you want to reproduce the analysis, you sure as heck do need original data.

I probably sound like a broken record, but this is standard across scientific disciplines. No raw data and people call bullshit.

On: UX brutalism

[ianyang]

I can't think of anything I hate more.

[eeZah7Ux → ianyang]

Making things ugly on purpose and calling it a feature.

[blunte → eeZah7Ux]

Trying to make things pretty and slick, but adding 20x to page weight and making the page nearly unusable. That's worse.

[staticelf → ianyang]

Nuclear weapons?

Mass-murder?

Climate change killing society as we know it?

[Bromskloss → staticelf]

I don't think you've seen the brutalist stuff.

On: 3D metal printing is about to go mainstream

[ianyang]

Does seem competitive vs CNCs. But what are its benefits? CNCs might have higher set-up costs but are incredibly accurate.

[tcas → ianyang]

Correct on the accuracy, but you can design parts with features like undercuts and cavities on 3D printing that are either not possible, or much more expensive, to CNC.

Not every metal part requires the 0.001" tolerance you can get with CNC as well.

I look at it as another technology that can be selected when the parameters make sense for it. I'm more familiar with plastic technologies, for them I switch between FDM, SLS, SLA, Polyjet and Injection Molding depending on:

- Forecasted quantity

- Time to market needed

- Price constraints

- Accuracy and surface finish required

- Design requirements

Each technology has it's own advantages and disadvantages.

[bocklund → ianyang]

It's the running costs. If you want to make a lot of the same part and need a 5 axis mill, they have to be operated by technicians which are extremely expensive and they can't work on anything else.

Make a lot of parts on a printer and you spend a little more time designing the part and time to tune the settings (which might be done depending on the material you use) and you're off and printing and just paying for print time. Not cheap, but cheaper than paying techs at mid-scale.

On: 3D metal printing is about to go mainstream

[ianyang]

Only minimal delamination, solvable by increasing print temperature. For SLA resin prints though UV exposure is a big problem.

[MBCook → ianyang]

Perhaps that's what I was thinking of.

On: Ask HN: Who is hiring? (July 2016)

[ianyang]

Gantri | San Francisco, CA | Product Designer | Full Time | OnSite

Gantri is a platform for 3D printed tech lighting. We work with emerging designers to design and manufacture creative home lighting products using 3D printing. We are gearing towards a launch and we are looking for a 1st employee to join our team as a digital product designer.

Your responsibilities would include: - Brand identity - UI / UX web design - Social media and marketing content - Packaging

Plus you get to have as many 3D printed lamps as you want! For more information or to apply, please drop me a note at ian@gantri.com

On: Dropbox, why are you ruining Mailbox?

[ianyang]

I had very similar issues and I reported to Mailbox a month back. Nothing seemed to have happened so switched to Mac mail...