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Environment Jan 28, 2021

Five unusual technologies for harvesting water in dry areas

Water scarcity is among the top five global risks affecting people's wellbeing. In water-scarce areas, the situation is grim. Conventional sources like snowfall, rainfall, river runoff and easily accessible groundwater are ...

Nanophysics Sep 11, 2020

Regulating the absorption spectrum of polydopamine

Polydopamine (PDA) is an advanced functional material and its emergent light absorption properties make it crucial for applications in materials science. However, it is challenging to rationally design and regulate PDA absorption ...

Materials Science Jul 10, 2020

Research on seawater surface tension becomes international guideline

The property of water that enables a bug to skim the surface of a pond or keeps a carefully placed paperclip floating on the top of a cup of water is known as surface tension. Understanding the surface tension of water is ...

Environment May 24, 2019

Why Sydney residents use 30% more water per day than Melburnians

This week Melbourne's water storage dropped below 50 percent, a sign of the prolonged and deepening drought gripping eastern Australia. Sydney is only marginally better off, at 53.8 percent of full storage.

Materials Science Oct 16, 2017

Pressurization isn't to blame for fouling of membranes, study finds

The desalination industry, a critical source of potable water in many arid regions, generated more than $13 billion last year and is expected to double within a decade. Most desalination plants today use a process called ...

Materials Science Nov 30, 2016

Deep insights from surface reactions

Things that happen on the surface are often given short shrift compared to what goes on inside. But when it comes to chemical reactions, what occurs on the surface can mean the difference between a working material and one ...

Nanomaterials Oct 11, 2016

Nanotechnology providing the tools to clean up oil spills

Oceanic oil spills are tough to clean up. They dye feathers a syrupy sepia and tan fish eggs a toxic tint. The more turbulent the waters, the farther the slick spreads, with inky droplets descending into the briny deep.

Nanomaterials Jan 26, 2016

Using graphene to filter water

Growing up in China in the 1980s, Baoxia Mi recognized that water was not something to take for granted.

Nanomaterials Feb 25, 2014

New technique produces highly selective filter materials

Researchers have devised a way of making tiny holes of controllable size in sheets of graphene, a development that could lead to ultrathin filters for improved desalination or water purification.

Nanophysics Jun 1, 2011

From seawater to freshwater with a nanotechnology filter

In this month's Physics World, Jason Reese, Weir Professor of Thermodynamics and Fluid Mechanics at the University of Strathclyde, describes the role that carbon nanotubes (CNTs) could play in the desalination of water, providing ...

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