To relax after a long day, we often crave the seaside, a waterfall or natural spaces. That is because they are rich in negative ions and our cities tend to be rich in positive ions: humans have an instinctive desire...
How effective is activated charcoal in air filtration?
Using activated charcoal in air filtration processes is one of the most common and cheapest technologies. And yet, it has been proven to be a very effective one. Indeed, activated charcoals efficiently absorbs pollution in the air. Let’s see how...
Can air purifiers protect you against second-hand smoking?
You will find that "air purifier" and "second-hand smoking" are often associated in web searches or forums. How effective are air purifiers at removing the smell of tobacco in a house or apartment? Do they only act on the smell...
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