I'm adding in that helium and hydrogen would leak out of any balloon over time unless that balloon were made of a far thicker/heavier material, decreasing the lifting power even further.
I first saw that photo in the book _100 Suns_. Great book with photos of nuclear explosions - some instants after the initial blast (like this one) and others once the cloud had built. High recommendation...
I'm going to agree with SueDunham - I'm skipping over way more entries now than I did pre-que and finding myself less likely to check in on Neatorama than I did before.
I am, however, willing to give it a month or so to level out.
I've been blogging for three years now - mostly things found on the web with the occasional rant. Everything is school-appropriate as I've got links to the site from my school homepage.
http://www.michaellight.net/work100suns.html
http://www.youtube.com/watch?v=axa0_gh6NYk
http://www.comicsalliance.com/2010/06/28/best-superman-panels/
Hilarious stuff.
Thanks for the offerings and the chance for us to help you folks out.
I am, however, willing to give it a month or so to level out.
http://idtmi.blogspot.com
Thanks, in advance, for visiting...