DK Off the Record @dkofftherecord - Tumblr Blog

If the girl had been worth having she’d have waited for you? ..‘No, sir, the girl really worth having won’t wait for anybody.

F. Scott Fitzgerald, This Side of Paradise (via wordsnquotes)

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The start-up I've been working for, Seismic, just debuted the most recent version of our product, powered clothing, at TechCrunch Disrupt in San Francisco. Cheers to everyone who's worked so hard to get to this point!🥂

#what she's digging #what she's thinking #seismic #science #robotics

Happy birthday to my closest friend, my lifelong partner-in-crime, my dearest little sister. Hope this year brings you nothing but great things. I love you.

#personal #What she's saying #family #washington dc

Omelette

A cute short from Madeline Sharafian on how much our dogs love us

Also digging the background music, Elis Regina’s rendition of “Águas de Março“

#What she's digging #dog #Águas de Março #elis regina #animation #film short

wordsnquotes

We are all broken, that’s how the light gets in.

Ernest Hemingway (via wordsnquotes)

#what she's saying #quotes #ernest hemingway

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wordsnquotes

Here is the simple truth about people: Love the ones you want to keep.

Iain Thomas, I Wrote This For You and Only You (via wordsnquotes)

#what she's saying #quotes #love #relationship

Missing those sweeping views, those misty mountains, those stories by the fire 😩

#where she's going #travel #hiking #camping #outdoors #mountains #personal #new york #pennsylvania #catskills

larstheyeti

https://www.theawkwardyeti.com

dkofftherecord

A case of the Sundays

#what she's digging #The Awkward Yeti

Quick woodworking project: blocks for Greek, Latin, math, pictures, and thermodynamics :P (the kids will have to live w/o a capital Q). Hand painted and cut from reclaimed lumber.

#what she's making #diy #personal #woodworking

Ever wonder where pineapples come from?

#where she's going #philippines #travel #asia #food #pineapple #personal

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You know your life is good when there’s a sexy British cellist regaling you with Bach while you knock out some work on your Irish vacation.

#where she's going #ireland #europe #personal

skunkbear

What makes fireworks colorful?

It’s all thanks to the luminescence of metals. When certain metals are heated (over a flame or in a hot explosion) their electrons jump up to a higher energy state. When those electrons fall back down, they emit specific frequencies of light - and each chemical has a unique emission spectrum.

You can see that the most prominent bands in the spectra above match the firework colors. The colors often burn brighter with the addition of an electron donor like Chlorine (Cl).

But the metals alone wouldn’t look like much. They need to be excited. Black powder (mostly nitrates like KNO3) provides oxygen for the rapid reduction of charcoal © to create a lot hot expanding gas - the BOOM. That, in turn, provides the energy for luminescence - the AWWWW.

Aluminium has a special role — it emits a bright white light … and makes sparks!

Images: Charles D. Winters, Andrew Lambert Photography / Science Source, iStockphoto, Epic Fireworks, Softyx, Mark Schellhase, Walkerma, Firetwister, Rob Lavinsky, iRocks.com, Søren Wedel Nielsen

npr

The science behind spectacular fireworks displays! 🎆 -Emily

dkofftherecord

Happy 4th of July! Ever wonder where fireworks get their color?

#what she's thinking #4th of july #science #chemistry #NPR

It’s that time again.

Comic via Jorge Cham at PhD Comics

#What she's digging #what she's thinking #science #grad school #phd comics #jorge cham

bridgeandburn

dkofftherecord

One day, in the Philippines

#What she's digging #Architecture #hammock

Even with his hands full, this man always manages to keep things together. Happy Father’s Day, Papa!

#personal #what she's digging #father's day #family

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