welterde

35 ms·

361.
by welterde 8y ago
> Does anyone actually work that way? I've tried it a few times, and every time I tried it it turned out to be unusably slow. I use it pretty much daily at work to run interactive programs on beefy data reduction machines (just ssh
362.
by welterde 8y ago
Completely true that having the idea is the easy part. But you are missing a few steps between having the idea and world domination.. > Getting something to work and then into a commercially viable operation is what I am talking about wh
363.
by welterde 8y ago
> and to try and be objective: these examples make my point even stronger. Maybe you forgot, but you claimed that almost all the important technical innovations of the 20th century happened outside of Europe. When asked for evidence you
364.
by welterde 8y ago
Not all of those happened exclusively outside of Europe - there was some parallel development in Europe as well (transistor, computers). The transistor was independently developed in France shortly before the public announcement by Bell Lab
365.
by welterde 8y ago
Because they have to be very bright and very close to the target. This limits the observable targets quite a lot (we don't want to observe something, but specific targets for most projects).
366.
by welterde 8y ago
The primary channel is the inverse beta decay where an anti-neutrino interacts with a proton to produce a neutron and a positron (via a W boson like you said). It can also just scatter of an electron (via either the W or the Z boson). But t
367.
by welterde 8y ago
Neutrinos interact extremely weakly (by the weak interaction), which means that one either needs quite a lot of neutrinos (which they do in terrestrial experiments) and/or a very large detector with a lot of mass and area. For example
368.
by welterde 8y ago
> In the visible, ground-based can't match space observatories (in the visible, the atmospheric turbulence is way harder to correct for). The image this article is about is mostly in the optical (MUSE only goes from 465nm to 930nm;
369.
by welterde 8y ago
Our moon is slowing down Earth's rotation by tidal friction (angular momentum is transferred from the Earth to the Moon). The effect is rather small with the period only slowing down by around 2ms per 100 years currently (depends on th
370.
by welterde 8y ago
Aren't the insurance companies private in the US? Why don't they keep the prices in check? And the US isn't the only destination for such medical tourism (anymore)..
371.
by welterde 8y ago
I wonder if it would be possible to just straight-up use UT1 instead of UTC (or is UT1 only available post-facto?). This would essentially be near-infinite smear.
372.
by welterde 8y ago
The goal is to always keep UTC within one second of UT1. Short of very drastic events I don't think it will ever be neccessary to introduce more than one leapseconds in a fairly long time interval. And even if it was, I would think tha
373.
by welterde 9y ago
Doesn't the same logic also apply to internal phone calls? Or is the main point here about giving access to data that has been collected already and not requiring the business to collect this data. If for example the used instant messa
374.
by welterde 9y ago
I think in reality you will find that this is rather difficult to do, especially when it's one of the high-speed lines where the ICE can go 300 km/h - quite fun to watch the cars go by really rather quickly.
375.
by welterde 9y ago
This argument works just as well (or badly) against the brain is just an antenna hypothesis..
376.
by welterde 9y ago
If people do leap second smearing anyway, I wonder if it were possible to just directly use UT1 instead of UTC (the leapseconds are just there to keep UTC synchronized to UT1 to within one second).
377.
by welterde 9y ago
Depends on how much a Falcon Heavy launch will really cost at the end, but right now the nominal fee seems to be around 70M€ for Falcon Heavy and around 150M€ for Ariane 5.
378.
by welterde 9y ago
There probably would be no need to build anything, since we already can use pulsars for that (XNAV; what this article is about) and the achievable resolution should be more than good enough to be able to use it for navigation inside our sol
379.
by welterde 9y ago
Democracy and federal republic are not mutually exclusive (in modern usage anyway). Far from it - being a federal republic is just one of many variants of democracies. The USA - like other countries, such as Germany or Mexico - are both a (
380.
by welterde 9y ago
The GMT FAQ [1] has 2023 for a partially complete telescope (3-4 of 7 mirrors) - only the future will tell if there will even be a point of time where the GMT actually is the largest (optical) telescope in the world. And for certain applica
381.
by welterde 9y ago
> 1: Quality of service is generally not dictated by the back bone network. If by that you mean that it is not the only thing that matters, then yes. But if the backbone is bottlenecked then of course quality will suffer. > 2: Governm
382.
by welterde 9y ago
The whole networking infrastructure is privatized as well though in Germany (since 1995) - so it doesn't support the argument that private competition is somehow better, since both have it. While in general I agree that competition is
383.
by welterde 9y ago
> I think first you might be misunderstanding positive and negative rights. Positive rights are rights that are asserted onto others. Negative rights are rights an individual has that others may not violate. The principles of the enlight
384.
by welterde 9y ago
Can you explain to someone not from the US the impact an constitution has which only imposes limitations on the government, versus one that only imparts positive rights onto humans? Or versus one that is a hybrid between the two - the Germa
385.
by welterde 9y ago
GRBs are named in a similar fashion with simply having an additional character at the end, for example GRB171010B is the second GRB of 2017-10-10. And the naming scheme will simply have to change in 2100 (actually probably already 2090 beca
386.
by welterde 9y ago
How so? Virtually every linux distribution has package mangers - which mostly also have nice graphical user interfaces. I would argue this is a much nicer user experience than having to search on the web for the installer, dealing with inco
387.
by welterde 9y ago
They are certainly more practical than the first generation [0] of atomic wrist watches. [0] http://leapsecond.com/pages/atomic-bill/
388.
by welterde 9y ago
Assigning an absolute number is much more difficult than assigning numbers on the relative difference between things. Just take the use of dB in acoustics or the magnitude system in astronomy.
389.
by welterde 9y ago
The linear scale however is a physical property of the world (photons per seconds for example) and if we change the intensity in a linear way we notice that the perceived change is not linear, but logarithmic. Hence volume or brightness con
390.
by welterde 9y ago
One would think it would be since we hear and see in log scale.

More ›