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Every heart sings a song, incomplete, until another heart whispers back. Those who wish to sing always find a song. At the touch of a lover, everyone becomes a poet.

Plato

itsokaytobesmart

Danish geophysicist Inge Lehmann was born on this day in 1888. Lehmann first proposed the idea that Earth’s core was not a mass of molten metal, but in fact was solid in the middle, subject to such immense pressure that it forced the super-hot iron and nickel back into a denser state.

By observing how seismic waves bounced around within the Earth’s mantle and core, Lehmann was able to sound out the planet’s surprising inner structure. Meg Rosenburg has a great post at her blog True Anomalies telling the story of Lehmann’s work that goes into more detail about the science involved. Essentially, earthquakes create different kinds of seismic waves that each interact in special ways with liquid or solid materials. I love this illustration from Lehmann’s 1936 paper:

Building off Lehmann’s research, modern geophysicists have mapped the internal echoes or earthquakes in much greater detail, giving us images like this:

This was truly pioneering work, both for geophysics and for women in science. Google has marked the occasion with this nifty little doodle:

Be sure to check out my video about why the Earth has layers, posted up top, to learn more about this hot, mostly molten onion that we call home!

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Coolest woman in Geophysics!

http://youtu.be/gTQ9aE27EfA Indomie takes USA!

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https://www.linkedin.com/pulse/career-advice-i-wish-had-25-shane-rodgers

#career #motivation #inspiration #life

Easiest solution

#mathematics #joke

travelthisworld

Aurora Moon

Sweden | by Phiiip Eaglesfield

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Magical view

#nature

greelin

comedy gold

greelin

it just keeps getting better

sleepysmilesamirite

Owl you can fly

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Pooh Who??

#comedy

cosmokramers-deactivated2018091

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Nobody can!

MAHASISWA TINGKAT AKHIR : epic ending

#funny

sciencesoup

A Sound Heard Round the World

In 1883 just off the coast of Jakarta, a volcano on the tiny island of Krakatoa exploded. It had been building up for months, and on the morning of August 27th, the volcano erupted for the fourth time, blowing apart the entire island. It spewed out over twenty five cubic kilometres of ash, pumice, and rock, created tsunami waves over thirty metres high, and overall caused over 36,000 deaths. The eruption caused a shockwave of energy to tear around the globe seven times, and it was measured by barometers for a full five days afterwards. This peak explosion was about thirteen times larger than the Hiroshima bomb, and the sound it made was literally heard around the world: people heard it clearly as far flung as Perth, 3500 kilometres away in Australia, and even 5000 kilometres away, police officials mistook the eruption for “the distant roar of heavy guns.” The sound is estimated to have been around 180 decibels—as loud as a rifle shot at point blank range, and loud enough to instantly kill all hearing tissue in the human ear. It’s believed that Krakatoa’s eruption was one of the loudest sounds ever generated on Earth, rivalled only by the eruption of Mount Tambora in 1815, and the Tunguska event of 1908, when a meteroid or comet fragment exploded in the air above Russia. No wonder Krakatoa is considered the most dangerous volcano in human history.

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Oh Yes Gunung Krakatau!

Mind blowing performance by Fall Out Boy and Taylor Swift @ 2013 Victoria's Secret Fashion Show

#music #musicisyouraoundtrack #taylor swift #fall out boy #victoria's secret