Ian Kelly <ian.g.ke...@gmail.com>: > On Tue, Jun 28, 2016 at 10:39 AM, Marko Rauhamaa <ma...@pacujo.net> wrote: >> Inside the probe, we have a powerful electrical magnet that our >> compass can detect from a safe distance away. >> >> [...] >> >> The compass needle shows that the probe is "frozen" and won't budge no >> matter how long we wait. > > I'm skeptical of this. As the ping frequency falls drastically due to > relativistic effects, so too does the observed current powering the > electromagnet, does it not?
Actually, that would be a great question for a physicist to resolve. Next question: would a permanent magnet make any difference? I admit I changed my thought experiment at the last minute to use a magnet instead of a charge because I could more realistically imagine a powerful magnet and a simple detector. That may have been a mistake. A charge, however, would do the "floating" I presume. It's difficult to find a straight answer online. The topic of a charge falling into a black hole is addressed from one angle at: <URL: http://adsabs.harvard.edu/full/1971PASP...83..633R> This is from an answer by a guy who says he's got a PhD in general relativity: there's no problem with information falling IN to a black hole, which is allowed to externally display it's mass, charge, angular momentum and linear momentum, all of which get inprinted on the horizon as matter falls in <URL: http://physics.stackexchange.com/questions/6432/gravitational-r edshift-of-virtual-photons> Again, I'd like a physicist to give a straight answer. Marko -- https://mail.python.org/mailman/listinfo/python-list