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age 48
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I'm a neurologist. Also a fan of physics in the sense that I enjoy watching it like I enjoy watching baseball but I can't really play either one.


Aug
11
comment If an event happens 10 light years away and we observe it here, did it actually happen 10 years ago?
It's not just events that are light years away. If I see someone do something across the room, I'm seeing it after it actually happened because it took a small but finite amount of time for the light to reach me.
Jul
12
awarded  Popular Question
Jul
3
awarded  Popular Question
Jun
28
comment Can gravity in principle be made to flow through a “wire”?
Thank you. Is there a way to posit mathematically "negative mass" and model in a theory whether gravity could then be made to flow, if negative mass existed? Don't tachyons have negative mass (excluding the question of whether or not they can actually exist).
Jun
28
comment Can gravity in principle be made to flow through a “wire”?
I see your point but thats not really what I meant. I don't have the physical sophistication to say precisely why it isn't. What I'm imagining is a large mass in region one transmitting its gravitational potential (or its gravity, however it should be phrased) to another region and making, for example, water fall 100 miles away.
Jun
28
asked Can gravity in principle be made to flow through a “wire”?
Jun
21
asked Does a laser beam generate an equal and opposite force
Jun
1
awarded  Notable Question
May
11
awarded  Popular Question
May
7
asked Could there be a dark matter planet?
Mar
9
awarded  Popular Question
Dec
13
awarded  Popular Question
Oct
6
comment What does volume means at the quantum level?
Did you mean the volume of the particle itself?
Sep
24
awarded  Autobiographer
Aug
14
awarded  Nice Question
Jul
2
awarded  Curious
May
12
awarded  Yearling
May
1
awarded  Popular Question
Jan
27
comment Could the Heisenberg Uncertainty Principle turn out to be false?
Thanks. Me too.
Jan
8
awarded  Promoter