Materials scientist and Christmas Lecturer Mark Miodownik demonstrates some of the weird properties of ferrofluid. This liquid is literally ‘dripping with magnetism’, containing a suspension of ferromagnetic nanoparticles that make the liquid responsive to external magnetic fields, generating unusual patterns, shapes and motion.
Using a strong neodymium magnet and a large steel bolt, Mark demonstrates the strange and beautiful patterns the fluid forms in response to the magnetic field. Ferrofluids do not tend to maintain their behaviour in the absence of an external magnetic field and are therefore known as superparamagnets.
2014 Jeep Grand Cherokee EcoDiesel vs 2013 Volkswagen Touareg! [Head 2 Head Episode 30]
On this episode of Head 2 Head, Motor Trend’s Jonny Lieberman pits the 2013 Volkswagen Touareg TDI against the 2014 Jeep Grand Cherokee Summit 4x4 Ecodiesel.
From off road capabilities to interior luxuries, Jonny drags these diesels through the dirt providing in depth driving impressions as well as some insight on why more manufacturers should adopt diesel technology.
Filmed on location in Hungry Valley State Vehicular Recreation Area, join Jonny as he finds out which of these two diesel powered SUVs is the better bang for the buck!
WHY DID WE MAKE THIS? To be blunt: Science, technology, and education are important to us. But we live in a world where the little news we hear of schools, research, and the arts is when they’re laying their heads on the chopping block. We live in a world where celebrity and “reality” entertainment is winning the war for our attention. Though this may just seem like it’s playing off a funny trope, we do need superheroes in our world. Super men, women (and puppets), like those actualized by PBS, who inspire young generations to be scientists, teachers, and artists. But those heroes will not appear unless we create them.
CREW Written by: David Hudson, Steven Hudson Editing: David Zimmermann VFX: Steven Hudson, David Hudson Sound Design/Mixing: David Zimmermann Coloring: David Hudson Grip: Kevin Lane
Scientists at the University of California Los Angeles have found a way to create stunningly detailed 3D reconstructing of platinum nanoparticles at an atomic scale. These are being used to study tiny structural irregularities called dislocations.
Read the paper here: nature.com/nature/journal/v496/n7443/full/nature12009.html