Talk:Aerogel
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Vacuum balloon
I vaguely recall reading a book decades ago describing a tribe of people who had vacuum filled airships (Tom Swift series possibly). I think (or dreamed) I read somewhere that a helium filled aerogel was made to float. What if one were to take a big (read expensive) block of aerogel and vacuum bag it. Could it just possibly work like a mythical vacuum balloon without having a impossibly light and strong pressure vessel by supporting a thin pressure envelope from the inside? Has this experiment been tried? I see it is a recurring theme Vacuum airship - Idyllic press (talk) 21:59, 28 November 2014 (UTC)
- Found this document perhaps it is time for vacuum balloons Microfabricating the First Ever Lighter Than Air Solid Structure - Idyllic press (talk) 22:09, 28 November 2014 (UTC)
Assessment comment
The comment(s) below were originally left at Talk:Aerogel/Comments, and are posted here for posterity. Following several discussions in past years, these subpages are now deprecated. The comments may be irrelevant or outdated; if so, please feel free to remove this section.
| Most of the useful information is already in the article. I suggest formatting the chemical properties into a box, referencing production and uses where gaps remain, and adding current events about technological interest as necessary. Teply 01:53, 28 August 2007 (UTC) |
Last edited at 01:53, 28 August 2007 (UTC). Substituted at 06:47, 29 April 2016 (UTC)
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Units of Measurement and utter incompetence!
I'm surprised it was unnoticed: "The density of air is 1,200 g/m3 ..." the value is obviously bad, so i looked up the citation to see whether the citation itself had an error. Nope, it's either the uploader couldn't read the table (which clearly gave all densities in g/cm3, not g/m3), or someone trolled the wikepedia by change all the units.
The density of Aerogel itself that was stated to be as low as "1.000 g/m3" should put up a bs alarm right away - i checked the cited source once again - it stated none of the things said in the article. It did mention that they measured dielectric constant, which was 1.008 , but it was not a density. It is funny though... the numbers still don't match - i guess it was too hard to copy that down.
This article needs to be fixed and checked for errors by someone who actually understands, what they're reading and writing about. Ok, the thing is that the history of changes made by the person, who screwed this stuff up, should be checked for more errors in other articles in order to ensure that there is no more false information.
These aren't all of errors that i noticed this article - i didn't read the whole article, i just skimmed by. I left the mistakes be. — Preceding unsigned comment added by Nordzikas (talk • contribs) 21:01, 21 March 2017 (UTC)
Hygroscopic vs. Hydrophilic
Aerogels are called both hygroscopic and hydrophilic in the article. Can't be both. --84.189.83.112 (talk) 12:34, 25 November 2020 (UTC)