Ian. I was told of a device called an Ioniser that can be used in the home. What are they and what benefits do they bring? Regards B. L. By e-mail.
Reply. An Ioniser, or a negative ion generator, is a device that emits a stream of negative ions into the air. The result is a cleaner fresher air due to the electrostatic settling of dust and the supposedly invigorating effect of breathing negative ions. These ions are apparently found in abundance in the vicinity of waterfalls and mountain tops. In addition an ioniser can reduce airborne odours. I remember my cigarette-smoking parents had one of these machines in the 70’s and over the years it collected vast quantities of cigarette residue and dust from the air, so they definitely attract some things. Eventually there was a metre square of the wall behind the machine a nicotine yellow colour!
The principle of ion generation is fiendishly simple, (if you know anything about electrical charges). The charge on an object is greatest at the sharpest point, so if a high negative voltage is applied to a sharp needle then the charge at the tip is so high that ions are literally thrown off and then repelled by the negative field on the needle. This results in a physical draught and a slight hissing noise. In a very dark room you will also see a faint purple corona glow on the needle tips. The amount of electricity they use is very small. Most technical wisdom suggests that while negative ions make you feel good, positive ions can cause headaches and nausea.
Electrical appliances pump positive ions into the atmosphere and these positive ions, are said not to be good for your health Think about your home and how many electrical appliances are working right now - TV, computer, stereo, fridge, toaster. If you have an ioniser next to your electrical equipment it is said that the negative effects are greatly reduced.
Household,environmental.
Reply. An Ioniser, or a negative ion generator, is a device that emits a stream of negative ions into the air. The result is a cleaner fresher air due to the electrostatic settling of dust and the supposedly invigorating effect of breathing negative ions. These ions are apparently found in abundance in the vicinity of waterfalls and mountain tops. In addition an ioniser can reduce airborne odours. I remember my cigarette-smoking parents had one of these machines in the 70’s and over the years it collected vast quantities of cigarette residue and dust from the air, so they definitely attract some things. Eventually there was a metre square of the wall behind the machine a nicotine yellow colour!
The principle of ion generation is fiendishly simple, (if you know anything about electrical charges). The charge on an object is greatest at the sharpest point, so if a high negative voltage is applied to a sharp needle then the charge at the tip is so high that ions are literally thrown off and then repelled by the negative field on the needle. This results in a physical draught and a slight hissing noise. In a very dark room you will also see a faint purple corona glow on the needle tips. The amount of electricity they use is very small. Most technical wisdom suggests that while negative ions make you feel good, positive ions can cause headaches and nausea.
Electrical appliances pump positive ions into the atmosphere and these positive ions, are said not to be good for your health Think about your home and how many electrical appliances are working right now - TV, computer, stereo, fridge, toaster. If you have an ioniser next to your electrical equipment it is said that the negative effects are greatly reduced.
Household,environmental.
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