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Comment Re:everything has a tradeoff (Score 4, Informative) 59

There are trade-offs with every 3D printing process and stereolithography is no exception. But, some of the points you mentioned are not true about modern stereolithography or the Form 1. In our case, the resin has almost zero smell (you've got to put your nose right up to it to smell anything) and is similar in toxicity to handling many household chemicals (think glues and paints). Our pricing on the material is on the order of half of what high end 3D printer companies charge ($150/liter vs $300/liter). -Max co-founder, Formlabs

Comment Re:How many of them have bare metal antennas? (Score 4, Informative) 373

and if it really bothers me some tape or some clear nail polish should fix it.

It is possible that clear nail polish will do very little to mitigate the problem. At those frequencies, capacitive coupling can be as good as a DC conducting path. The bumper adds a millimeter or so of space which reduces the capacitive coupling as compared to nail polish.

Comment Re:You don't need 128 bits for addressing (Score 1) 581

Having a memory — RAM or disk — above 2^64, however, is not achievable in even in theory... 2^64 is only 100 times less, for example, than the estimated number of sand-grains on Earth.

I don't think its fair to say that it isn't even achievable in theory. If you could write a bit of data into every atom of a piece of silicon, 2^64 corresponds to 860 micrograms. I would start to agree that pushing much beyond 128bits is crazy as that puts us into the truly collosal range of cubic kilometers of memory Though there are things smaller than atoms...

That being said, even the most wildly optimistic projections about the rate of increase in memory would put such a piece of memory at least 20 or 30 years out.

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