Comments for The First Excited State

Comment on Thinking Like a Physicist: Super Mario and Problem Solving by compare one day car insurance

compare one day car insurance — Wed, 22 May 2013 09:16:01 +0000

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Comment on A 10-Year-Old Asks about Black Holes by It will suck you up before you even know it. - Particle Bolt

It will suck you up before you even know it. - Particle Bolt — Fri, 20 Jan 2012 02:32:14 +0000

[...] incredibly, by a ten year-old and were from an article about black hole on the physics blog, The First Excited State, and the writer has a great answer to [...]

Comment on A 10-Year-Old Asks about Black Holes by RAMESH.N

RAMESH.N — Mon, 08 Aug 2011 20:12:28 +0000

Answer for:

Now, a question of my own, for anyone who knows more GR than I do: does this mean that an outside observer will never be able to observe a mass increase for the black hole?

An outside observer can never be able to observe a mass increase for the
black hole, instead he can only assume the increase in mass of the black
hole due to its increase in energy, there by increasing the speed of rotation
and the amount of radiation and intensity of light that would be emitted from
it. The reason for this fact is that, one can only observe the increase in mass when the observer knows the density of a given substance or a particle. But here, in case of the Black holes which would be having an infinitely amount of density it would be practically impossible to negotiate of observe the difference in the increase in mass through observations. Only things possible is that one estimate the increase in mass is by observing of noticing the increase in the speed of rotation and the radiation emitted.

Comment on Moving Beyond Petroleum — Bike Sharing by jackie Corey

jackie Corey — Mon, 08 Nov 2010 20:50:02 +0000

It would have been nice had there been these “loaner” bicycles in Minneapolis when I went to college there – many long years ago. Sounds like a really great idea that should spread to other municipalities.

Comment on Moving Beyond Petroleum — Bike Sharing by analytiks

analytiks — Fri, 08 Oct 2010 17:16:20 +0000

Kind of like zipcar for bikes? Awesome – love the idea – not yet caught on in Chicago, but maybe soon. Although, in Chicago, I could see theft being a huge problem, especially in some areas …

Comment on Talent is a Process by analytiks

analytiks — Fri, 08 Oct 2010 17:13:39 +0000

Awesome post. I definitely agree – mindset, attitude, determination, all those unobservable/less cognitive attributes matter just as much as brain size, IQ, or other “innate” characteristics.

The epigenetics research – I don’t know what to make of that at all. I was reading recently that twins who have identical genetic makeup at early ages, have drastically different epigenetic expressions later on in life. That’s crazy stuff … is there something systematic there – or is that just random?

Comment on Assume a Spherical Physicist by The Physicist’s Toolbox: Symmetry « Morning Coffee Physics | Magnificationmirrors.org | Info and Product Review for Magnification Mirrors

Thu, 23 Sep 2010 17:37:21 +0000

[...] But what happens when symmetry breaks and the laws of nature become a bit lopsided? Hey it happens! Nature isn’t a perfectly spherical cow. [...]

Comment on My Carbon Footprint by Dan

Dan — Fri, 06 Aug 2010 08:17:11 +0000

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Comment on My Carbon Footprint by Moving Beyond Petroleum — Bike Sharing « The First Excited State

Moving Beyond Petroleum — Bike Sharing « The First Excited State — Mon, 05 Jul 2010 18:25:30 +0000

[...] How to do so? I’ve written about this before, here and here. [...]

Comment on Going Greener With Alternative Power by Moving Beyond Petroleum — Bike Sharing « The First Excited State

Moving Beyond Petroleum — Bike Sharing « The First Excited State — Mon, 05 Jul 2010 18:25:24 +0000

[...] to do so? I’ve written about this before, here and [...]