h a l f b a k e r yOpen other side.
add, search, annotate, link, view, overview, recent, by name, random
news, help, about, links, report a problem
browse anonymously,
or get an account
and write.
register,
|
|
|
|
Fire is fast relative to our time scale. |
|
|
What if something is smoldering or burning in a hidden
place, enough to set off the smoke detector, but without
visible flames? Then it gets marked as a false alarm until
it's big enough to be seen, by which point it could be too
late. |
|
|
What if it's the lithium-ion battery in the camera-roomba that catches fire ? |
|
| |