Just watching this video gives me the chills. A HUGE amount of mercury metal is used to demonstrate its density (other metals float on it!), free flowing behavior and high surface tension. This little... continue reading
posted by gluonium 1 decade 7 years 5 months 2 weeks ago • 7,193 viewsScience sifts by me!
Views: 631
This video is a clip from "Sonda", a Polish science program broadcast in 1980's. It beautifully demonstrates what superfluid helium (a Bose-Einstein condensate) actually looks like and how it behaves on... continue reading
posted by gluonium 1 decade 7 years 5 months 3 weeks ago • 6,791 views • 2:39A lecture on high energy particle physics and the nature of the universe that ISN'T dumbed down to the point of being useless and insulting (ie. NOVA/Horizon), yet remains accessible to the layman. I don't... continue reading
posted by gluonium 1 decade 7 years 5 months 3 weeks ago • 3,067 viewsThis is a Crookes railway tube, it is a mostly evacuated tube with electrodes on each end and a spinny wheel on a rail in between. When the electrodes are connected to a high voltage supply, electrons... continue reading
posted by gluonium 1 decade 7 years 5 months 3 weeks ago • 2,142 viewsWhen a coffeemaker-full of hot water meets a bucket of liquid nitrogen the rapid vaporization of the liquid creates quite an eruption. The gas occupies ~700 times the volume of the liquid. This is not... continue reading
posted by gluonium 1 decade 7 years 6 months ago • 6,053 views • 12 secsThe effects of an 11 tesla magnetic field (220,000 times the magnetic field strength of earth) from a nuclear magnetic resonance machine on common ferromagnetic objects.
posted by gluonium 1 decade 7 years 6 months 2 weeks ago • 4,169 viewsThis is what it looks like inside your fire extinguisher. Solid CO2 never goes through a liquid phase at normal atmospheric pressures, it sublimates directly to a gas. At elevated pressure, above the critical... continue reading
posted by gluonium 1 decade 7 years 6 months 2 weeks ago • 3,267 viewsHow carbon-14 dating via high resolution mass spectrometry works.
posted by gluonium 1 decade 7 years 7 months ago • 1,342 viewsIn some of the most disturbing images of the Chernobyl disaster ever captured, this video shows what the current state of the burned out former core looks like. Visible in this video at -3:00 is the infamous... continue reading
posted by gluonium 1 decade 7 years 7 months ago • 7,382 viewsMaking lichtenberg figures http://en.wikipedia.org/wiki/Lichtenberg_figure involves irradiating a piece of (electrically insulating) plastic with MeV energy electrons from a particle accelerator and then... continue reading
posted by gluonium 1 decade 7 years 8 months ago • 2,052 viewsNutty chem teacher does some realy great demos with the leftover liquid helium from an NMR refilling session. Probably the only time you will ever see solid nitrogen. Part 6 of 8.
posted by gluonium 1 decade 7 years 8 months 1 week ago • 2,880 viewsBBC Horizon show on sonofusion http://en.wikipedia.org/wiki/Bubble_fusion and the controversy surrounding (recently exonerated from scientific misconduct/fraud) Rusi Taleyarkhan and his detractors, namely... continue reading
posted by gluonium 1 decade 7 years 8 months 1 week ago • 2,425 views • 48:55A rhesus monkey has a brain implant in it's motor cortex whose signals are monitored and decoded remotely by a computer. The decoded commands are then sent to a robotic arm which the monkey sees in front... continue reading
posted by gluonium 1 decade 7 years 9 months ago • 2,366 viewsA ferromagnetic bottle is brought near the bore of the super high strength magnet of an MRI machine and is sucked in, oscillating violently in midair. Sadly, this very type of incident did in fact kill... continue reading
posted by gluonium 1 decade 7 years 9 months 1 week ago • 7,095 views- 1