1,161 reputation
620
bio website dotancohen.com
location
age 36
visits member for 2 years, 11 months
seen 7 hours ago

Jul
20
comment Why did nuclear testing not result in nuclear winter?
@CountIblis: That is actually quite a terrible article for the BBC. They keep saying an unquantified "the laws of nature" and I don't think that they know what it means.
Jul
9
comment How effective is speeding?
Seeing that the question asks for "insights or calculations" and specifically in the title asks "how effective" speeding is, I see this answer as exactly on-topic. Costing more money is one of the "effects".
Jul
8
comment Can you create mass with $E=mc^2$?
Could you please provide some links for the layman? I'm not even sure what to google for.
Jul
2
awarded  Curious
Jun
24
accepted Might a planet perform figure-8 orbits around two stars?
Jun
6
awarded  Notable Question
Jun
6
awarded  Civic Duty
May
27
comment How does hot water clean better than cold water?
Beautiful answer! Welcome to P.SE!
May
27
comment How does hot water clean better than cold water?
@fibonatic: I tend that 'Not even wrong' is in fact an answer.
May
22
awarded  Nice Question
May
6
comment Why can't we see gases?
Fill a balloon with water, hold it above your head, and release the water. Is water invisible?
May
1
comment Where does deleted information go?
I think that you've addressed the side of the question that was not asked! We've seen that happen before.
Apr
8
comment Precession period matching solar year
@Kvothe: Thank you, that is a wonderful video. I haven't seen the whole thing yet, but I will. However, interesting as it is, the video does not address the question of a stable 1:1 precession:year ratio.
Apr
8
asked Precession period matching solar year
Feb
25
awarded  Notable Question
Jan
15
comment Beads in 'perpetual motion'?
@GlenTheUdderboat: Nice, thanks!
Dec
26
awarded  Popular Question
Dec
25
comment Beads in 'perpetual motion'?
I'm going to have to work on my Japanese, that looks like just what I'm looking for! Welcome to physics.SE!
Dec
8
revised Does the strength of a smell depend on the volume or surface area of an agglomerate of material?
Added link to photo of Adidas tread
Dec
8
comment Does the strength of a smell depend on the volume or surface area of an agglomerate of material?
Thank you. Your first paragraph correlates strongly with my intuition, but your second paragraph addresses a very possible reason why the lower-surface-area dog shit stinks worse! And your third paragraph is now answered!