Terrarium Lamps By Nui Studio Light Your Space With Suspended Ecosystems

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Learn Everything You Need To Know About Chemicals In Your Food in 4 Easy Steps!

Step One

Obtain High School level Chemistry textbook. 

Step Two 

Open the book to chapter one, section one. 

Step Three

Locate and identify the goals of chapter one: basic definition of chemistry. 

Step Four

Discover that EVERYTHING IS MADE OF CHEMICALS. 

Whew. That was pretty scary, wasn’t it? Education is hard. Learning about scary chemicals is a big adventure. But aren’t you glad you pulled through? I’m glad we had this talk. 

What is the shape of a falling raindrop? Surface tension keeps only the smallest drops spherical as they fall; larger drops will tend to flatten. The very largest drops stretch and inflate with air as they fall, as shown in the image above. This shape is known as a bag and consists of a thin shell of water with a thicker rim at the bottom. As the bag grows, its shell thins until it ruptures, just like a soap bubble. The rim left behind destabilizes due to the surface-tension-driven Plateau-Rayleigh instability and eventually breaks up into smaller droplets. This bag instability limits the size of raindrops and breaks large drops into a multitude of smaller ones. The initial size of the drop in the image was 12 mm, falling with a velocity of 7.5 m/s. The interval between each image is 1 ms. (Photo credit: E. Reyssat et al.)

Danxia Landforms, China

These colorful rock formations are the result of red sandstone and mineral deposits laid down over millions of years. Wind and rain then carved amazing shapes into the rock, forming natural pillars, towers, ravines, valleys, and waterfalls.

mhm yes accurate