put more apples on the table and find how many are on it now
isn't really right. That is a standard use of English grammar, which you can then convert into a standard piece of mathematics notation.
It is ridiculous to expect an education system to teach outside of the standard mathematics notation. I mean, where would you draw the line? You just can't teach every possible wacko notation, and I don't know how you could choose which to teach between a bunch of incorrect notations. Also, teaching non-standard notation is bad for society, because it would propel the use of it, thus increasing the problem.
A debug feature who's data persists through a factory reset? I don't buy it.
What are you suggesting it is? A plot by HTC to somehow retrieve private data from its customers? Seems pretty far fetched to me, and it is quite a leap from the evidence presented here. I think occam's razor suggests this is a mistake. Not a small one, but I can't see that it is anything else.
This discussion is getting very far away from the point I originally made
you would be forever having to replace the chemicals because they have evaporated away.
Is rather at odds with
The point is not that it's impossible. The point is that it's a very difficult (more difficult than ink jet printing) and multi-faceted problem.
If the underlying meaning of your statement was that keeping it in a closed container was difficult because of the differences in volatility, viscosity and chemical stability, then why did you word it in such an absolute manner? Or not make any hint to the reasoning behind the statement. If you don't do that, someone is going to come along and point out the flaw in your statement.
Just because I didn't feel the need to enumerate all the problems in my first post I seem to have deeply offended you. Odd.
I was not offended by your not pointing out all the problems, what is irritating is when you respond to my critique of your point as if you had already suggested that there were possible solutions. It is also rather infuriating when you try to nitpick my point, when it was entirely correct, and therefore make an incorrect statement, and then accuse me of splitting hairs when I point that out.
Actually I could imagine some (e.g. vanillin, melting point 80C and a VERY important aroma chemical) could clog the heads.
That is rather interesting. In the non-synthesised world is this carried to the nose as a solid, and then dissolved in mucus? Or is it dissolved in moisture in the air?
I'm splitting hairs!?
The solvent in printer ink is volatile, not the ink itself.
Not only is that attempting to split hairs, it is also wrong.
You are shifting ground. No where in
Couple that with the fact that aroma chemicals are, by necessity, volatile (otherwise you couldn't smell them) and you have a real problem with shelf-life too. If you had an olfactometer with a few hundred chemicals for producing smells, you would be forever having to replace the chemicals because they have evaporated away.
do you hint at material selection or seal problems. Reading through your post, the implication is that volatility isn't a problem that had to be overcome with printers.
As for different viscosities; you could mix them with additives to reduce volatility and viscosity.
One of the main problems with ink jets was clogging, because the ink has suspended solids in it, so as it dried it left gunge on the head. You would not have this problem with scents as they will evaporate completely.
Also they do not need to be fired accurately only a piece of paper, they just need to be allowed to escape.
Something like an aerosol can is a good example of how volatility and viscosity wouldn't be much of an issue. You can have extremely volatile and low viscosity chemicals (for example propanone) contained within a canister, under pressure (making the whole thing even harder!), yet it can all be effectively held back with a simple, cheap valve.
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