This tower acts like a giant air purifier for polluted cities
This Dutch creation, sucks up pollution like a vacuum cleaner for air, reducing smog and making cities more livable for inhabitants.
Mon Nov 01 2021
Dutch artist uses ultraviolet light to zap coronavirus
The pandemic has led to a boom in interest in ultraviolet light in wavelengths of less than 280 nanometres.
Fri Mar 05 2021