Keyword: Water quality

5 Ws: Energy
Who

A fully automated net positive submarine fleet, powered entirely on hydrogen, could help cleanse the oceans of toxic pollution. Developed by London-based startup Oceanways, the submarine was named among the...

Briefs: Green Design & Manufacturing
The aerogels safely remove contaminants from water without releasing any problematic chemical residue.
Briefs: Software
The technology is aimed at protecting physical targets, such as utilities and infrastructure.
Briefs: Green Design & Manufacturing
Activated carbon made from corn stover filters 98 percent of a pollutant from water.
Briefs: Nanotechnology
This approach could result in developing chemical sensors that are sensitive at a very low level to a specific chemical in the environment.
Briefs: Materials
The eco-friendly process removes heavy metals, dyes, and other pollutants.
Articles: RF & Microwave Electronics
Water-sensing smartphone screens, a NASA-developed RF switch, and an ultrasound patch.
Briefs: Mechanical & Fluid Systems
The solution increases water recovery, prevents mineral scaling, and cuts the volume of brines in half.
Briefs: Packaging & Sterilization
This treatment has the potential to remove from drinking water nearly all viruses that have an “outer fortress.”
Briefs: Green Design & Manufacturing
The desalination method produces clean water while, at the same time, potentially capturing valuable metals such as gold.
Briefs: Mechanical & Fluid Systems
Prototypes show promise as a low-cost, natural filtration option.
Articles: Materials
Battery recycling, NASA's water treatment, and a wireless wearable transmitter.
5 Ws: Mechanical & Fluid Systems
The invention could help solve the problem of providing clean water off the grid or where low-cost, non-powered water purification is needed.
Articles: Imaging
Head-up displays, health-monitoring sensors from NASA, and a pollen sponge.
Briefs: Green Design & Manufacturing
This invention achieves sustainable freshwater production in a variety of climates at minimal energy cost.
Briefs: Energy
Membranes that remove salt from water help split sea water into fuel.
Application Briefs: Photonics/Optics
Creating next-generation LEDs for novel efforts like COVID-19 decontamination requires LED manufacturers to reevaluate the materials that they’re using.
Facility Focus: Transportation
In 2020, the EPA marks 50 years of preparing for, responding to, preventing, and mitigating natural and manmade disasters.
Briefs: Test & Measurement
This device could be used to find threats to ecosystems.
Briefs: Robotics, Automation & Control
Inspired by a coral polyp, this plastic mini robot moves by magnetism and light.
Briefs: Nanotechnology
This highly porous sponge absorbs more than 30 times its weight in oil and can be reused up to several dozen times.
Briefs: Materials
Bacteria-Based Hydrogel Beads Clean Up Contaminated Groundwater
Beads that contain bacteria and a slow-release food supply to sustain them can clean up contaminated groundwater for months on end, maintenance-free.
Q&A: Energy
Lenan Zhang and his team at MIT developed a small, economical, highly efficient device to provide fresh drinking water using only the Sun for its energy input.
Briefs: Test & Measurement
This inexpensive system can detect lead levels below EPA standards.
Articles: Mechanical & Fluid Systems
Life-saving sensors, soft hearing implants, and a new water-decontamination method
Briefs: Green Design & Manufacturing

According to the United Nations, 2.1 billion people lack access to safely managed drinking water services and the majority live in developing nations. A process was...

Articles: Energy
Briefs: Mechanical & Fluid Systems

A new device, inspired by a rose, inexpensively collects and purifies water. The device is a new approach to solar steaming for water production — a technique that uses energy from sunlight...

Briefs: Test & Measurement

Adding fluoride to water has been common practice in a number of countries including the U.S. In low concentrations (below 1.5 mg/L), fluoride can help prevent tooth decay and...