This is also the basic idea behind one-way mirrors 
-
-
-
I was going to say, "every window is a one-way mirror, it's just a question of conditions"
- 1 more reply
New conversation -
-
-
Now ask, why does some light reflect and some refract? Because windows are beam splitters, which work via quantum superposition - the same principle enabling quantum computing, etc. :)
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
-
-
But generally for the human visual spectrum only. At longer wavelengths it's much more an even balance.https://twitter.com/fermatslibrary/status/1059083107649884160?s=19 …
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
-
-
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
-
-
Why does standing closer to a window subjectively reduce its mirror-ness?
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
-
-
Funny, but if you read this tweet assuming you are standing on the outside of the house it doesn't immediately make sense.
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
-
-
Your mind does wander, Fermat, doesn't it ? But, that's okay, this Nerd reads you, some things I understand some things I don't. Wander on.
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
-
-
glass reflects 3% at normal incidence. Shows eye's dynamic range. At 3% level, min max of eye slides down to accommodate.
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
-
-
Is it the inverse if you are looking from outside.
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.