Is a freeze ray possible?
Is a freeze ray possible?
You can’t make a freeze ray, if that’s what you were hoping. This technique can only work on a few billion atoms at a time. Tiny amounts when you consider there are about 5 thousand billion billion atoms in a drop of water. Though you can do extraordinarily accurate experiments.
Can liquid nitrogen be purchased over-the-counter?
Liquid nitrogen is NOT available over-the-counter. Instead, the product that removes warts in a similar process uses dimethyl ether (DME). It only cools to about -59 C, whereas liquid nitrogen reaches approximately -195 C. Both can be dangerous and will cause serious injury if used improperly.
How can I buy liquid nitrogen?
Search online for a liquid nitrogen distributor near you, like Praxair or Airgas. You can also ask at your nearest university, since many science departments use liquid nitrogen and may sell you some. Before you purchase liquid nitrogen, you’ll need a dewar, which is a sturdy metal container for holding the liquid.
Is it safe to use liquid nitrogen in cooking?
With some common-sense precautions, liquid nitrogen is perfectly safe to use for some kitchen experimentation. Here’s what you need to know to get started at home.
Is there a freezing gun?
The freezing gun shoots a cryogenic laser beam which freezes his victims, encapsulating them in ice. (According to the film, once a person is frozen by the gun you have exactly eleven minutes to thaw him/her in order to save his/her life.
Can you freeze lasers?
The reason? You can’t freeze light – there’s nothing to freeze. You can’t even stop it, if we’re being picky.
How much does a gallon of liquid nitrogen cost?
In addition, when delivered in Dewar flasks, liquid nitrogen costs about $2 per gallon but when delivered in bulk storage tanks, it costs about $0.50 per gallon. Nonetheless, the atmosphere is about 78 percent nitrogen so liquid nitrogen can be manufactured anywhere and will still be relatively cheap.
Is liquid nitrogen expensive?
“In practice, the cost of liquid nitrogen ranges from a low of around $0.30 per liter to a high in remote areas of $1.50 per liter. In most metropolitan areas the average price is $0.50 per liter.”
Can you buy canned nitrogen?
Supply Modes. We offer nitrogen in high-pressure gas cylinders and liquid nitrogen dewars—available in a variety of sizes—to meet any and all low-volume needs.