[18:29] <ibeardslee> morning
[18:57] <ibeardslee> snail .. http://en.wikipedia.org/wiki/Speed_of_sound
[18:57] <snail> morning all
[18:58] <ibeardslee> it travels about 4.3 times faster in water (1,484 m/s)
[18:58] <ibeardslee> today's question answered .. does sound travel faster in denser air?
[18:58] <ibeardslee> yes
[18:58] <snail> :)
[18:59] <ibeardslee> https://www.npr.org/blogs/thetwo-way/2011/03/19/134654970/super-moon-to-rise-saturday-night
[18:59] <ibeardslee> and the closer moon
[19:07] <snail> ibeardslee: the SoS is  "nearly independent of pressure or density for a given gas" so those donuts are the spacecraft slowing as they approach
[19:12] <ibeardslee> and snail the other bus conversation .. http://www.nzcs.org.nz/newsletter/article/94#open_source
[19:12] <ibeardslee> well done timClicks
[19:12] <timClicks> thanks ;)
[19:14] <timClicks> I think it's an important message
[19:14] <snail> timClicks: are you still wellington based?
[19:15] <timClicks> yes
[19:17] <snail> sometime i'd like to invite you up here to give a talk about it, but need to work out some of the details here
[19:18] <snail> not that i'm softening the locals up to be more receptive to open source, or anything
[19:18] <timClicks> hah
[19:19] <timClicks> more than happy to present
[19:21] <ajmitch> morning
[19:21] <Atamira> mornin
[20:19] <mwhudson> good morning
[22:21] <ojwb> morning