What isotopes are used in smoke alarms?

What isotopes are used in smoke alarms? Am-241, with a half-life of 432 years, was the first americium isotope to be isolated, and is the one used today in most domestic smoke detectors. Am-241 decays by emitting alpha particles and gamma radiation to become neptunium-237. Is americium-241 a radioisotope? Americium-241 (241Am, Am-241) is an isotope […]

Can you freeze dry things at home?

Can you freeze dry things at home? Freeze drying works great for fruits and vegetables, but unlike other options, it also perfectly preserves meat, fish, dairy, eggs, ice cream, and even fully-cooked meals. Not only will the food you freeze dry at home look and taste better than store-bought freeze-dried food, it’s much less expensive! […]

What effect does Effleurage have?

What effect does Effleurage have? Effleurage stimulates the parasympathetic nervous system that releases positive hormones and increases temperature. The parasympathetic system is responsible for promoting relaxation and calmness after emotions such as stress. Effleurage relaxes the body and lowers the heart rate. Effleurage helps reduce stress. What are the effects of Petrissage? Petrissage helps by […]

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