Tags » Photons

Absorption Lines

Spectral signatures can be read
to discern what things are made of

Elements absorb color
magnesium blue-green
sodium yellow
hydrogen red-orange
and so on

It dawned on me that… 11 more words


Physicists set quantum record by using photons to carry messages from electrons almost 2 kilometers apart

Researchers from Stanford have advanced a long-standing problem in quantum physics – how to send “entangled” particles over long distances.

Their work is described in the online edition of Nature Communications. 629 more words

Not Really Saturday, Is It?

There is no day
for this is timeless
light at an angle
setting the stage
for me and you

The sun just beyond
the outskirts of the dome… 60 more words


So What Is It???

So What Is It? That’s the question one hears in all the bars and on all the street corners and on every Twitter feed and in the whispering of the wind. 708 more words

Particle Physics

Not Quite Eclipse

Outside reading

clouds part
sun-photons come
beaming down
I stare

but for a moment

clouds merge
gray again
I return to the page

residual sunspots… 9 more words


Light & Life

“Every good gift and every perfect gift is from above, and comes down from the Father of lights, with whom there is no variation or shadow of turning.”   James 1:17… 788 more words

Stimulating deeper with near-infrared

Interesting idea in this post at Labrigger:

Compared to visible (vis) light, near infrared (NIR) wavelength scatters less and is less absorbed in brain tissue.

136 more words
Systems Neuroscience