Juris

387 reputation

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	387 reputation	bio	website		visits	member for	1 year, 3 months
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2d	comment	What is the effect of humidity in temperature? @user61001, yes, apparent one. If humidity is higher, it seems hotter to people compared to medium or low humidity.
May 19	comment	What is the effect of humidity in temperature? "Tashkent" is synonymous for "very hot". What's with the outside? I don't really understand the new question.
May 19	comment	can be exist the negative mass? Physics become interesting when you consider exotic and scifi-like things. Even Newton's second law becomes funny if you consider negative masses :)
May 19	comment	can be exist the negative mass? And negative masses would attract each other, but repel positive masses, right? That's why they are somewhere far :)
May 19	comment	Problem with a rotating frame of reference on the South pole @Althalos, there is no centrifugal acceleration on the axis. In which direction could it be there? Your formula is correct, but the $R$ is distance from axis of rotation which is $0$ in your case.
May 18	comment	Existence and uniqueness of Stokes flow @ColinMcFaul, is it ok to reask it on math.SE or I should flag and hope for a migration?
May 18	comment	Physics of every-day life: rotating bag of tea I think it's just the torque that's stored in the thread...
May 18	comment	Problem with a rotating frame of reference on the South pole Rotating frame in which train is going straight (as says in the exercise). Yes, $\Omega$ is. Try $\tan(\theta)=F_c/F_a = a/g$. Also $\tan(\theta) = \sin(\theta) = \theta$ (in radians) should for work such a small angle.
Apr 28	comment	Why does the fundamental mode of a recorder disappear when you blow harder? @Georg, a few years late answer, bet I wanted to add that the higher mode does not slowly overtake. It's a sudden shift of pitch.
Apr 28	comment	What is the exact mechanism by which time dilates? Great answer except "Lengths just look different in different frames. Similarly times look different in different frames." I think it is important to understand that length don't look or appear different in other frames. They are different in other frames.
Apr 28	comment	Confused about the Photoelectric Effect? Yes, w/h is correct.
Jan 19	comment	Does quantum mechanics allow faster than light (FTL) travel? Umm, superluminal signalling. I am not asking for true violation of SRT, just something similar to tunneling but without a barrier. There's no need to violate any theory as long as speed exceeds $c$ :D
Jan 16	comment	Does quantum mechanics allow faster than light (FTL) travel? Sorry, I realized that by QM people understand certain theories, but my aim was to actually ask about actual (experimental?) quantum physics.
Jan 16	comment	Does quantum mechanics allow faster than light (FTL) travel? Please see the reformulated questions, I want to know about actual physical (experimental) QM, not what classical QM theories state or not.
Jan 16	comment	Why does smoke go inside the car if the back door is open? In this case the rear part was separate and had no windows, there was only one door.
Jan 16	comment	Does quantum mechanics allow faster than light (FTL) travel? So the front is actually not allowed to move FTL in relativistic QM?
Jan 16	comment	Why does smoke go inside the car if the back door is open? I suppose it might be related to flows closing around the back of a moving car, but I don't understand what motivates them to go inside the car not around it.
Jan 15	comment	How would one generate Brownian light? What would it look like? Humans can see polarization.
Dec 31	comment	Simple explanation of Quantum Zeno Effect And when and how can we see exponential decay for your system?
Oct 3	comment	Photon source for Bell test Thanks! That SPDC name seems a lot more complicated than the actual process. Is it correct if I say that the method is to direct light through a nonlinear crystal and some part of it is split into photon pairs? Must the light source be laser?