The EcoSelf air purifier is available on Amazon at an all-time low price of just $54, which is a staggering 73% lower than ...

The Dyson Hot+Cool Formaldehyde HP09 is not only a highly capable air purifier but also a fan and a space heater with 350 ...

Rice University scientists designed a solar desalination system that recycles heat to deliver clean water, even when the ...