Chemistry

582 readers

1 users here now

founded 2 years ago

MODERATORS

146

Helium is an essential material for research and medical equipment, but it’s nonrenewable and difficult to recycle (theconversation.com)

submitted 7 months ago by [email protected] to c/[email protected]

21 comments fedilink hide all child comments

you are viewing a single comment's thread
view the rest of the comments

[–] [email protected] 8 points 7 months ago (2 children)

Hydrogen balloons are dangerous. I say this as someone who handles them relatively often. One blast can seriously damage your hearing if you are standing next to it. And they explode easily, too.

permalink
fedilink
source
parent
hideshow 4 child comments

[–] [email protected] 2 points 7 months ago

Fair enough, I stand corrected. Air it is...

permalink
fedilink
source
parent

[–] [email protected] 1 points 7 months ago

Macy's Thanksgiving Day parade might actually become interesting

permalink
fedilink
source
parent