Re: we see light because
- From: extremewanderer <ewugkg@xxxxxxxxx>
- Date: Wed, 21 Jan 2009 23:37:39 -0800 (PST)
On Jan 22, 12:32 pm, extremewanderer <ewu...@xxxxxxxxx> wrote:
Light, unless reflected/scattered of something can’t be seen. The sky
is blue because of scattering of the suns rays by the earth’s
atmosphere.
You see any object when light hits that object and is reflected back.
We can’t see glass since it lets light through, we can’t see a black
hole since it doesn’t reflect the light that is falling on it.
In laser guided bombs, the detector/photoreceptor sees the laser
reflected from the target on which the laser beam is aimed.
All this means that the photons are being reflected of objects,
scattered by air.
What if it was possible to see the point of light, just a point, not
the beam, without needing anything for reflecting the beam/photons
back.
What would be the use of such an invention?
contd...We see space as black even though there are so many stars and
we see the stars as points of light[as they are emitting light],
because there is nothing in space to scatter or reflect light.
What if it was possible to see the point of light, just a point, not
the beam, without needing anything for reflecting the beam/photons
back.
What would be the use of such an invention?
.
- References:
- we see light because
- From: extremewanderer
- we see light because
- Prev by Date: we see light because
- Next by Date: Re: we see light because
- Previous by thread: we see light because
- Next by thread: Re: we see light because
- Index(es):
Relevant Pages
|