Not exact matches
Atheist, «prove» the existence
of the cosmos... prove the existence
of matter... prove the existence
of space... prove the existence
of time... when the
envelope is pushed
back far
enough, observation and the scientific method fail utterly.
Scottish ministers insist # 2.5 bn will be
enough, but Menzies Campbell says sums were «done on the
back of an
envelope»
Griffin won't put a price tag on going to Mars, but NASA has released
enough information over the years to permit some
back -
of - the -
envelope calculations.
If you have been lucky
enough to play with a LittleBigPlanet beta and have knocked up a good - looking level, make sure you sketch it on the
back of an
envelope or something.
These are
back of the
envelope numbers, so you could quibble with them, but not
enough to matter, in my opinion.
I couldn't write it down fast
enough on the
back of a green
envelope stuffed in my goody bag.
For the most part the «
back -
of - the -
envelope» calculations are good
enough, however it never hurts to dive in and take a detailed look at your progress and investment goals and see what gap needs to be covered.
I do not think our theories are strong
enough to resolve this on the
backs of envelopes or on desktops.
The implication that a modicum
of ocean heat is needed to initiate a hurricane needs to be
backed up by some
back -
of -
envelope equations that convey heat transfer functions, latent heat, circulation rates etc., to show that the hot ocean is capable to transferring
enough heat into a storm to make a difference.
My quick,
back -
of - the -
envelope calculation suggests that it would take longer than the age
of the universe, but I might not have done that carefully
enough.
A BOE (
back of the
envelope) calculation
of the percent change
of temperature for looking at elasticity is not the full interval (290K), but the average earth temperature without any greenhouse gases, generally given as 255 K (lots
of sources for that, lots
of quibbles, and lots
of detail if you really care, but close
enough for our purposes).