Search found 7 matches

by PeteSF
Sun Mar 06, 2016 9:17 am UTC
Forum: What If?
Topic: What-If 0145: "Fire From Moonlight"
Replies: 157
Views: 74980

Re: What-If 0145: "Fire From Moonlight"

As I said a while back, I call BS on the thermodynamics argument that it is impossible per se to concentrate the energy of moonlight to generate a temperature hotter than the surface of the moon as it is clearly possible to collect the energy of moonlight (using, e.g., photovoltaics) and concentrat...
by PeteSF
Wed Jan 12, 2011 10:31 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0846: "Dental Nerve"
Replies: 135
Views: 36262

Re: 0846: "Dental Nerve"

The song may be bad, but so is the point of the comic.
Brushing your teeth with whiskey will get them pretty much as clean as brushing with toothpaste.
by PeteSF
Tue Sep 28, 2010 8:06 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0798: "Adjectives"
Replies: 97
Views: 26371

Re: "Adjectives" Discussion (#798)

I think that all future results should be based on a search that includes "-xckd"
by PeteSF
Wed Sep 22, 2010 10:45 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 0796: "Bad Ex"
Replies: 84
Views: 20417

Re: "Bad Ex" Discussion

There's a classic skit about this with Steve Gutenberg and Rosanna Arquette...
YouTube - Two Forms of ID
by PeteSF
Mon Sep 15, 2008 4:20 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0476: "One-Sided"
Replies: 111
Views: 29242

Re: "One-Sided" Discussion

pyroman wrote:i'd have to agree the "my second relationship" part definitely makes the comic. good show randall!

I wonder how that 'relationship' ended?
by PeteSF
Tue Sep 09, 2008 2:18 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0473: "Still Raw"
Replies: 238
Views: 40548

Re: "Still Raw" Discussion

As I pointed out earlier, even ignoring friction (which is not really constant, but it's close enough for low speed approximations), there is the force imparted by the wheels rotational inertia. This force is proportional to the acceleration of the treadmill. The faster the treadmill accelerates, t...
by PeteSF
Fri Sep 05, 2008 6:31 am UTC
Forum: Logic Puzzles
Topic: Pancake Problem
Replies: 56
Views: 19623

Re: Pancake Problem

Hi skegg, if you pull a pancake with one black side.... your options are limited to two pancakes... one has a black downside and the other has a white downside... Yes, your options are limited to two pancakes, but not with equal probability. Knowing that one side is black not only means eliminates t...

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