Sick buildings can be made healthy and air scrubbed free of dust mites and microbes by a photocatalytic air cleaner developed at the University of Florida. It uses light and a titanium dioxide catalyst to oxidise any microbes, dust mites and mould spores in stale air flushed through it.
More from 91av
Explore the latest news, articles and features
Popular articles
Trending 91av articles
1
We need more radioactive drugs. Can we make them from nuclear waste?
2
The monstrous number sequences that break the rules of mathematics
3
Fermat's Last Theorem: still a must-read about a 350-year maths secret
4
Exercise advice for long covid may be doing more harm than good
5
Exclusive report: Inside Chernobyl, 40 years after nuclear disaster
6
Electric vehicle owners could earn thousands by supporting power grid
7
Can you slow ageing with your diet? A new book gives it a go
8
Surprising male G-spot found in most detailed study of the penis yet
9
We might finally know how to use quantum computers to boost AI
10
The secret project to settle controversial maths proof with a computer
