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Maritime Expositions and Desert Graves

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(Source: dustrial-inc)

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curl left 31stday ofAugustin the year2014 curl right
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annavonsyfert:

heck yea I did
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annavonsyfert:

heck yea I did

(via groovyfass)

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ninjasexfarty:

Important, always-relevant comic done by the wonderful Ursa Eyer.

(via z-i-v-a)

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indikos:

burned my hand curling my hair today

worth it

(via z-i-v-a)

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oraclesofthefortuneteller:

Edwardian Halloween Costume Photo
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oraclesofthefortuneteller:

Edwardian Halloween Costume Photo

(Source: spellbound-one, via z-i-v-a)

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fawnvelveteen:

Art Nouveau artists - Lalique Jewelry. Pendants
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fawnvelveteen:

Art Nouveau artists - Lalique Jewelry. Pendants

(via heaveninawildflower)

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paintdeath:

Kohei Nawa forms a cloud-like landscape made of foam

(via valinde)

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think-progress:

Scotland is installing 269 turbines on the seafloor to capture the ocean’s tidal energy.
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think-progress:

Scotland is installing 269 turbines on the seafloor to capture the ocean’s tidal energy.

(via sagansense)

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soltreis:

minute bonfire
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soltreis:

minute bonfire

(via moriarty)

curl left 25thday ofAugustin the year2014 curl right
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fuckyeahfluiddynamics:

Frisbees are a popular summertime toy, but they involve some pretty neat physics, too. Two key ingredients to their long flight times are their lift generation and spin. A frisbee in flight behaves very much like a wing, generating lift by flying at an angle of attack. This angle of attack and the curvature of the disk rim cause air to accelerate over the top of the leading edge. Airflow over the top of the disk is faster than that across the bottom;  thus, pressure is lower over the top of the frisbee and lift is generated. Aerodynamic lift and drag aren’t enough to keep the frisbee aloft long, though. Spin matters, too. If the frisbee is launched without spin, gravity acts on it through its center of mass, but lift and drag act through a point off-center because lift tends to be higher on the front of the disk than the back. This offset between gravitational forces and aerodynamic forces creates a torque that tends to flip the frisbee. By spinning the frisbee, the thrower gives it a high angular momentum acting about its spin axis. Now instead of flipping the disk, the torque caused by the offset forces just tips the angular momentum vector slightly. Physically, this is known as spin stabilization or gyroscopic stability. Tomorrow we’ll take a closer look at airflow over the frisbee.  (Image credit: A. Leibel and C. Pugh, source video; recommended papers by: V. Morrison and R. Lorentz)
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fuckyeahfluiddynamics:

Frisbees are a popular summertime toy, but they involve some pretty neat physics, too. Two key ingredients to their long flight times are their lift generation and spin. A frisbee in flight behaves very much like a wing, generating lift by flying at an angle of attack. This angle of attack and the curvature of the disk rim cause air to accelerate over the top of the leading edge. Airflow over the top of the disk is faster than that across the bottom;  thus, pressure is lower over the top of the frisbee and lift is generated. Aerodynamic lift and drag aren’t enough to keep the frisbee aloft long, though. Spin matters, too. If the frisbee is launched without spin, gravity acts on it through its center of mass, but lift and drag act through a point off-center because lift tends to be higher on the front of the disk than the back. This offset between gravitational forces and aerodynamic forces creates a torque that tends to flip the frisbee. By spinning the frisbee, the thrower gives it a high angular momentum acting about its spin axis. Now instead of flipping the disk, the torque caused by the offset forces just tips the angular momentum vector slightly. Physically, this is known as spin stabilization or gyroscopic stability. Tomorrow we’ll take a closer look at airflow over the frisbee.  (Image credit: A. Leibel and C. Pugh, source video; recommended papers by: V. Morrison and R. Lorentz)

(via sagansense)

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brit:

Spring into shape with these 15 circuit workouts.
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brit:

Spring into shape with these 15 circuit workouts.

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The French called this time of day “l’heure bleue.” To the English it was “the gloaming.” The very word “gloaming” reverberates, echoes—the gloaming, the glimmer, the glitter, the glisten, the glamour—carrying in its consonants the images of houses shuttering, gardens darkening, grass-lined rivers slipping through the shadows. During the blue nights you think the end of day will never come. As the blue nights draw to a close (and they will, and they do) you experience an actual chill, an apprehension of illness, at the moment you first notice: the blue light is going, the days are already shortening, the summer is gone. 
—Joan Didion, Blue Nights (via callmebliss)

(Source: alighthouseofwords, via searchingforspock)

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s-c-i-guy:

Bill Nye Fights Back
How a mild-mannered children’s celebrity plans to save science in America—or go down swinging.
Read the full article on Popular Science
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s-c-i-guy:

Bill Nye Fights Back

How a mild-mannered children’s celebrity plans to save science in America—or go down swinging.

Read the full article on Popular Science

(via kqedscience)

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