Baroque Music… The Weak Side Of My Playing Which I Am Trying To Improve!

Seen at Marshall University School of Music…

La Vie en Rose playing from another room

Edith Piaf

Re-Growing Green Onions

This is so simple and easy to do!

What you need:

The roots from a few green onions

Glass jar

Water

Sunlight

Rubber band (optional)

Take your green onion roots and rinse them off.

Get a jar (I used an old pasta sauce jar) and add a few inches of water.

I put a rubber band around mine because they kept falling into the sides of the jar. Put your onions by a window and change the water out everyday. In around 5 days, you should get results like this:

If you dropped a water balloon on a bed of nails, you’d expect it to burst spectacularly. And you’d be right – some of the time. Under the right conditions, though, you’d see what a high-speed camera caught in the animation above: a pancake-shaped bounce with nary a leak. Physically, this is a scaled-up version of what happens to a water droplet when it hits a superhydrophobic surface. 

Water repellent superhydrophobic surfaces are covered in microscale roughness, much like a bed of tiny nails. When the balloon (or droplet) hits, it deforms into the gaps between posts. In the case of the water balloon, its rubbery exterior pulls back against that deformation. (For the droplet, the same effect is provided by surface tension.) That tension pulls the deformed parts of the balloon back up, causing the whole balloon to rebound off the nails in a pancake-like shape. For more, check out this video on the student balloon project or the original water droplet research. (Image credits: T. Hecksher et al., Y. Liu et al.; via The New York Times; submitted by Justin B.)

Jack Vanzet

i’m the alpha of my quartet bc i have the most (and the best) stickers ;)

by NASA @nasa

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