SINGAPORE - A research team at the National University of Singapore (NUS) has developed a zinc-based hydrogel that can, with natural sunlight, harvest clean water from humid air, including evaporation from water bodies like the reservoirs in Singapore.
At the heart of it is zinc oxide, a compound found in sunscreens and which functions as a cost-effective and efficient water absorber.
Already a subscriber? Log in
Read the full story and more at $9.90/month
Get exclusive reports and insights with more than 500 subscriber-only articles every month
ST One Digital
$9.90/month
No contract
ST app access on 1 mobile device
Unlock these benefits
All subscriber-only content on ST app and straitstimes.com
Easy access any time via ST app on 1 mobile device
E-paper with 2-week archive so you won't miss out on content that matters to you
