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MYTHICAL CREATURES A-Z
Deadly Fungus Mates with Clones of Itself
Whenever your faith in people is lost
Whenever your faith in people is lost #2
Giant rubber duck thrills Sydney Harbor
400,000 Balls
Long exposure photography of a moving LED light on
Colorful canopy of lanterns in Seoul, South Korea.
Nanoflowers Grow in Tiny Garden
Next generation of jet engines
Human scabs serve as inspiration for new bandage
Supermoon secrets: 7 surprising facts
3Super-Earth Planets That Could Support Alien Life
Baseline configuration selected for Ariane 6
Alphasat launch
The Last Launch Of Space Shuttle Endeavour
A new streetlamp powered by … algae?
A colorful art project you can only do in space
Full spectrum light to reveal fluorescent pigments
For Love
An Octopus unscrewing a lid from the inside.
Meet The Disarmingly Adorable Robot
Robot Transformers
THEY RESCUED THE KITTY
A Strawberry Moon
The Pallas´s Cat
Fun with ferrofluid!
3D Printing Pen
Spectacular colour into this arid Utah desert
The New Electric Harley
How to catch an emu
An Interactive Thunderstorm in Your Home
Clouds Detected on Alien Planet
July 2, 2014 — A United Launch
City Smells Confound Flower-Seeking Moths
Gliese 832c: The closest potentially habitable
MIT’s Tangible Media is coming along nicely,
Generalelectric
Freshphotons
The Window Socket
Imagine A Tree That Grows 40 Kinds Of Fruit
Planets of Our Solar System
The bee fly: the most adorable insect in the world
Cats Allowed In Prison
Bee Colony
Before They Closed For The Year
Experimental Drug Would Help Fight Ebola
The Sleep Box - Arch Group Design
Supersized mosquitos
Bees Need Water
Koala habitat
In Life Page 1
Fun with ferrofluid!

“A ferrofluid (portmanteau of ferromagnetic and fluid) is a liquid which becomes strongly magnetized in the presence of a magnetic field.

Ferrofluids are colloidal liquids made of nanoscale ferromagnetic, or ferrimagnetic, particles suspended in a carrier fluid (usually an organic solvent or water). Each tiny particle is thoroughly coated with a surfactant to inhibit clumping. Large ferromagnetic particles can be ripped out of the homogeneous colloidal mixture, forming a separate clump of magnetic dust when exposed to strong magnetic fields. The magnetic attraction of nanoparticles is weak enough that the surfactant’s Van der Waals force is sufficient to prevent magnetic clumping or agglomeration. Ferrofluids usually do not retain magnetization in the absence of an externally applied field and thus are often classified as “superparamagnets” rather than ferromagnet.”
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