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James Shields (1878 - 1920) is the only person to serve in the US Senate for 3 different states – Illinois, Minnesota, and Missouri.

Memories of Gonder prior to Timket 2015. A traditional dancer at one of Gonder’s more famous cultural restaurants. The Tej made it all a blur but I had the presence of mind to pull out the xT1 and go up to some extreme ISO to try to make this pic. I am always inspired by Eskesta especially when done by some of the most beautiful woman on the planet… #Ethiopia #Ethiopian #EthiopianOrthodoxChurch #EthiopianOrthodoxTewahedoChurch #Timket #Timket2015 #culturaldance #Eskesta #Habesha #HabeshaCulture #PhotoToaster #fuji #fujifilm #fujixt1

Most of that is the same in the US, though we have slightly different divisions, and more dances because of the Arthur Murray-standardized American Style. I’m just a collegiate Silver Standard dancer, though someone please correct me if I’m off, and I’ll barely mention Open.

Dance Styles: International Standard (Waltz, Tango, Foxtrot, Quickstep, Viennese Waltz), International Latin (Cha cha, Rumba, Samba, Jive, Paso Doble), American Smooth (Waltz, Tango, Foxtrot, Viennese), and American Rhythm (Cha cha, Rumba, Swing, Mambo, Bolero). The biggest difference between Standard and Smooth is that the couple can break frame in Smooth.

Divisions: There’s really two sets of divisions: Syllabus and Open. Syllabus divisions have specific figures they can do at their level, and go Newcomer, Bronze, Silver, Gold (or Newcomer, Beginner, Intermediate, and Advanced). Open has less restrictions on figures, essentially follows Syllabus once Gold starts to get boring, and goes Novice, Pre-Champ, Champ. USADance has also created Same-Sex divisions separated by gender of pairing and Open vs. Syllabus (these divisions would have Newcomer couples compete against Gold-level couples), but in collegiate competitions these couples are not separated out from the rest. For the most part the next division is achieved by points, but Newcomer at all competitions and Bronze at some collegiate competitions are also determined by time. 

The number of dances you compete per style increases as you ascend levels as dances become paired, though some like Viennese Waltz and Paso Doble are typically separated out on their own. Same-Sex dances are currently not paired.

Costumes are pretty much the same, though there isn’t a standard for non-traditional dance roles. I’ve seen lady leaders do black tops and leotards with either pants or skirts, and male follows typically follow leader costume rules.

Ballroom

@carmodance for your anon and for other dance fans who knows nothing about ballroom

I saw a lot of people asking about ballroom, so I’ll try to explain few things (it’s gonna be long).

I’m from Russia and I didn’t compete last 4 years, so rules maybe slightly different. Also I probably forgot a lot of things. And my english isn’t the best.

Read it all under the cut

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10 “Out of This World" Facts About the James Webb Space Telescope

Wouldn’t it be neat to see a period of the universe’s history that we’ve never seen before? That’s exactly what the James Webb Space Telescope (JWST) will be able to do…plus more!

Specifically, Webb will see the first objects that formed as the universe cooled down after the Big Bang. We don’t know exactly when the universe made the first stars and galaxies – or how for that matter. That is what we are building Webb to help answer.

Here are 10 awesome facts about this next generation space telescope:

1. The James Webb Space Telescope is the world’s largest and next premier space observatory. It will extend the discoveries of the Hubble Space telescope and observe the birthplaces of stars, galaxies, planets and life over billions of years.

2. It is named after James Webb, NASA’s second administrator and champion of our science.

3. At 3 stories high and the size of a tennis court, it will be 100 times more powerful than Hubble!

4. It is so big that it has to fold origami-style to fit in the rocket, which is only 5.4 meters wide…And then it will unfurl, segment by segment, once in space.

5. The telescope will observe infrared light with unprecedented sensitivity. It will see the first galaxies born after the Big Bang over 13.5 billion years ago.

6. Webb’s infrared cameras are so sensitive they must be shielded from light from the sun, Earth, and moon. The 5-layer sunshield is like having sunblock of SPF 1 million.

7. Webb will orbit the sun 1 million miles from Earth, where the telescope will operate at temperatures below -390 F (-235 C).

8. Webb’s mirrors are coated with a super thin layer of gold only about 1000 atoms thick to optimize their reflectivity in the infrared.

9. Webb will launch from French Guiana in 2018. It is launched near the equator because the faster spin of Earth there gives the rocket an extra push.

10. Webb is an international mission, with contributions from the European Space Agency and Canadian Space Agency. Once operational, scientists from all over the world will be able to use Webb to explore our solar system, planets outside our solar system, stars and galaxies.

Make sure to follow us on Tumblr for your regular dose of space: http://nasa.tumblr.com

Crosson Architects. Hut on Sleds. Whangapoua. New Zealand. photos: Jackie Meiring

science news: another incredibly smart and driven woman who discovered really important things just died without receiving recognition in her lifetime for any of her groundbreaking crucial work after decades of brutally unfair sexism click through for even more in depth accounts of the monstrous amount of sexist bullshit she had to put up with every single day of her goddamn life

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American Slavery - Bill Rankin, 2016

Chlorosulfonation of an imidazole derivative with chlorosulfonic acid.

Why is this a special thing? Chlorosulfonic acid reacts with water explosively forming sulfuric acid and hydrogen chloride. So when I added 200 g of a compound to 500 cm3 of chlorosulfonic acid, a highly exothermic reaction happened and immediately and a highly acidic fog formed in the flask as the reactants contacted each other.

Important note when working with chlorosulfonic acid: NEVER WASH ANYTHING WITH WATER WHAT CONTAINS A RANDOM LIQUID, since if its chlorosulfonic acid, it could blow a highly acidic solution on your labcoat/hands/face. And always pour chlorosulfonic acid and reaction mixtures that contain this chemical on large excess of cracked ice to avoid serious problems.

P.S.: always wear proper PPE.