Way Cool Pictures

Marshmallow Sofa Fun

Japanese designer Kei Harada approached the design of a sofa asking the question ‘what shape will naturally invite a person?’ – and from this inquiry, he created the ‘O’keeffe’ sofa. Harada built marshmallow-like elements to allow a user to explore different sitting positions, combining the bulging forms in a calculated fashion for an almost climbable structure. Each organic orb is made from styrofoam covered with two types of urethane foam and a stretchable cloth, all attached to wooden frames that function as joints for each pillow.

UFO Clouds

A lenticular cloud is a lens-shaped cloud that normally develops on the downwind side of a mountain or mountain range. This occurs when stable, moist air flows over a mountain, creating a series of oscillating waves. It looks a lot like a UFO.

Wave Clouds

Here’s a collection of beautiful images of a special kind of cloud known to scientists as Kelvin-Helmholtz clouds. These clouds look like breaking ocean waves, with the rolling eddies seen at the top of the cloud layers. The eddies are usually evenly spaced, making the clouds easily identifiable.

Kelvin-Helmholtz clouds are named for Lord Kelvin and Hermann von Helmholtz, who studied the physics of the instability that leads to this type of cloud formation. A Kelvin-Helmholtz instability forms where there’s a velocity difference across the interface between two fluids: for example, wind blowing over water. You’ll often see the characteristic wave structure in this type of cloud when two different layers of air in our atmosphere are moving at different speeds. The upper layers of air are moving at higher speeds and will often scoop the top of the cloud layer into these wave-like rolling structures.

The clouds often form on windy days, when there’s a difference in densities of the air, for example, during a temperature inversion. They’re often good indicators of atmospheric instability and the presence of turbulence for aircraft.

It’s widely believed that these waves in the sky inspired the swirls in van Gogh’s masterpiece Starry Night.

 

OLYMPUS DIGITAL CAMERA

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