A red hot ball of Nickel placed on a block of ice.
This sign speaks for itself about the current state of humanity and where we are heading in the future…
The Universe in a Jelly Bean Jar Interactive Flash Site. [Click images to enlarge.]
“Most of the Universe is dark. The protons, neutrons and electrons that make up the stars, planets and us represent only a small fraction of the mass and energy of the Universe.”
Check it out here to learn more about the observable cosmos, black holes, galaxy clusters, supernovas, missing baryons, and more!
People think of education as something they can finish.
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And they end up as very boring people! Isaac Asimov (via coooode) |
Take a look at the sequence of images below (I recommend clicking through to enlarge, Tumblr Dashboard folks). Works best if you stare at the dot:
Color? Or black and white?
The rods and cones of your retina respond to the illumination (black-white) and color of a scene, respectively. But that input passes through one key information filter on the way to your visual cortex.
In a sense, your rods and cones take a wavelength survey of the visual field, measuring all the wavelengths they are capable of measuring. It’s the “opponent process” that begins to give color meaning. It’s not only how “red” something is, it’s also how “not green” it is. Likewise, a yellow tulip in the original image from above is intensely “not blue”.
When looking at the “blue” tulips, your blue photoreceptors get fatigued. This creates the illusion of yellow when the blue surplus is taken away.
Ouch. I need to close my eyes.
Russia’s nature reserves attract tourists from all over the world. RBTH recommends the most beautiful places in Siberia, the Russian Far East and the Caucasus to visit this summer
Which one would you like to visit?
Image: Far Eastern Marine Reserve. Source: Lori / Legion Media
Things to add to my endless bucket list…
