freethemullet
Re:Strava cuts off Relive
on Friday July 12, 2019 @01:48PM (#20422711)
The network effect strikes again ...
Re:Too Many Companies Drain Value from the Economy
on Wednesday July 03, 2019 @05:52PM (#20349242)
Free markets are free to have monopolies.
Re:Scientists Watch as Heat Moves at the Speed of Sound
on Sunday March 24, 2019 @02:22PM (#19477867)
Depending on the concentration of defects and the length scale of the system, theory suggests that it may be possible to observe second sound at much higher temperatures beyond 120 K.
Re:Scientists Watch as Heat Moves at the Speed of Sound
on Sunday March 24, 2019 @02:17PM (#19477815)
Long wavelength phonons are the familiar sound waves. Smaller wavelength phonons have different group velocities due to dispersion.
The speed of second sound is not the same speed of first sound. The speed of second sound is essentially determined by a weighted contribution of the different of speeds of the different phonon modes that collectively participate to produce a temperature wave.
Re:Scientists Watch as Heat Moves at the Speed of Sound
on Sunday March 24, 2019 @02:09PM (#19477745)
Laser interference is not required. The original second sound measurements in superfluid Helium used a geometry similar to the one you describe, where a heat source (as a pulse or periodic in time) is positioned at one end and the temperature is recorded at some point(s) along the sample.
Re:Scientists Watch as Heat Moves at the Speed of Sound
on Sunday March 24, 2019 @02:00PM (#19477705)
Here is the arxiv version of the Science paper mentioned in the article: https://arxiv.org/abs/1901.09160.
Re:Scientists Watch as Heat Moves at the Speed of Sound
on Sunday March 24, 2019 @01:48PM (#19477636)
The experiment describes an unusual process observed in a system driven out of equilibrium (i.e., non-equilibrium), where, strictly speaking, the 2nd law does not apply.
Re:Second sound in graphite above 100 K
on Monday March 18, 2019 @03:33PM (#19424362)
The arxiv version: https://arxiv.org/abs/1901.09160
Re:Mark Zuckerberg Promised a Clear History Tool Almost a Year Ago
on Friday February 22, 2019 @11:58AM (#19226859)
We could choose to cease to have preferences, limiting what there is to target.
Re:America’s Professional Elite: Wealthy, Successful and Miserable
on Thursday February 21, 2019 @04:12PM (#19220613)
Maybe "Notes from a Dead House" by Dostoevsky?
Re:In the foundations of physics we haven't seen progress for the past...
on Sunday February 10, 2019 @08:29PM (#19131408)
Do you think the golden age of the internet is drawing to a close?
Re:Technology’s dark forest
on Sunday January 20, 2019 @01:53PM (#18954789)
I suppose dark forest is a reference to a "forest dark" from Dante's Inferno?
Re:The Rhine waterway risks becoming impassable because of climate change
on Saturday January 19, 2019 @01:06PM (#18948257)
If we knew how probabilities worked, we wouldn't be surprised.
Re:Antarctica losing six times more ice mass annually now than 40 year...
on Tuesday January 15, 2019 @10:53AM (#18912005)
Is your point that humans can always ask "so?" after a proposition?
Re:Google DeepMind Founder Demis Hassabis: Three Truths about AI
on Tuesday October 02, 2018 @10:27AM (#18122007)
A non-zero probability that probability is involved.
Re:Deep Quaternion Networks (2017) [pdf]
on Sunday March 18, 2018 @09:40AM (#16611874)
Turns out we can approximate many-body wavefunctions using networks with complex weights: https://arxiv.org/abs/1606.02318.
Re:Scientists must fight for the facts
on Wednesday January 25, 2017 @06:36PM (#13487311)
David Foster Wallace wrote about the tyranny of irony more than 20 years ago.
Re:Marathon Editing Brings New Rigor to Wikipedia Physics
on Friday August 14, 2015 @10:31PM (#10064100)
Where can I find complete list of the edited pages?