DCS # | DEMONSTRATION | REFERENCE | ABSTRACT |
4A40.00 | Properties of Materials at Low | | |
4A40.10 | lead bell, solder spring | PIRA 200 | Ring a lead bell after it is frozen in liquid nitrogen, Cool a coil of solder to make a spring. |
4A40.10 | lead bell | 4A40.10 | Ring a lead bell at room temperature and after it has been cooled in liquid nitrogen. |
4A40.10 | lead bell | Hk-9 | A lead bell frozen in liquid nitrogen gives a tone. |
4A40.10 | lead bell, solder spring | H-100 | A lead bell rings at low temp, a solder spring supports a weight. |
4A40.15 | solder spring | PIRA 500 | |
4A40.15 | solder spring | 4A40.15 | Cool a solder spring in liquid nitrogen and hang a mass from it. |
4A40.15 | elasticity of low temperature | Disc 08-09 | Liquid nitrogen and a solder spring, rubber hose, etc. |
4A40.20 | mercury hammer | PIRA 1000 | |
4A40.20 | mercury hammer | Hk-8 | Mercury is frozen in the shape of a hammer head and used to pound a nail. |
4A40.20 | mercury hammer | H-101 | Cast a mercury hammer and freeze with liquid nitrogen. |
4A40.30 | smashing rose and tube | PIRA 200 | Cool a rose, urffer tube, or handball in a clear dewar of liquid nitrogen and smash it. |
4A40.30 | smashing rose and tube | 4A40.30 | Cool a rose in a clear dewar of liquid nitrogen and smash it. |
4A40.30 | rubber at low temperature | Hk-7 | A rubber hose is dipped in liquid nitrogen and smashed. |
4A40.32 | low temp behavior | TPT 28(8),544 | A discussion of a heat of vaporization of liquid nitrogen lab and a listing of the usual demonstrations. |
4A40.32 | low temp behavior | H-99 | Smash a wiener, sheet metal, flower, hollow rubber ball, saw a sponge, alcohol is viscous, a pencil won't mark. |
4A40.33 | cyrogenics day in a high school | TPT 28(5),321 | Description of the annual cryogenics day at F. D. Roosevelt High School listing many demonstrations. |
4A40.35 | cool rubber band | PIRA 1000 | |
4A40.40 | viscous alcohol | PIRA 1000 | |
4A40.40 | viscous alcohol | Hk-10 | Ethyl alcohol becomes very viscous at liquid nitrogen temperatures. |
4A40.40 | viscosity of alcohol at low temp | Disc 14-05 | Cool alcohol with liquid nitrogen and pour through a cloth screen. |
4A40.50 | liquid air fountain | H-114 | A fountain is made using evaporating liquid air as a pressure source. |
4A40.60 | absorption of gases | H-116 | A test tube filled with charcoal is attached to a bent 80 cm tube dipped in a beaker of mercury. When the charcoal is cooled, the mercury rises. |
4A40.60 | absorption of gases | H-117 | A discharge tube filled with charcoal passes through all the stages to vacuum when cooled in liquid air. |
4A40.70 | burning in liquid oxygen | H-121 | Steel wool is burned after being immersed in liquid oxygen. |
4A40.71 | burning in liquid oxygen | H-118 | Old cigars (and other things) burn well when saturated with liquid oxygen. |
4A40.72 | burning in liquid oxygen | H-120 | While smoking a cigarette the lecturer puts liquid oxygen in the mouth and blows out. |
4A40.75 | reactions in liquid oxygen | H-119 | Drop a piece of potassium cooled in liquid oxygen into water. |
4A40.80 | filtering liquid air | H-107 | Crystals of ice and carbon dioxide are retained in a filter. |
4A40.85 | density of liquid air | H-108 | Pour liquid air into water. As the nitrogen evaporates, the liquid air sinks and oscillates with convection currents. |
4A40.90 | low temperature lattice models | AJP 55(6),565 | Arrays of magnetic quadrapoles in square and triangular lattices simulate orientational ordering of diatomec molecule at low temperatures. |