Keyword: Water quality

Articles: Electronics & Computers
Water-sensing smartphone screens, a NASA-developed RF switch, and an ultrasound patch.
Briefs: Mechanical & Fluid Systems
This treatment has the potential to remove from drinking water nearly all viruses that have an “outer fortress.”
Briefs: Manufacturing & Prototyping
The solution increases water recovery, prevents mineral scaling, and cuts the volume of brines in half.
Briefs: Green Design & Manufacturing
The desalination method produces clean water while, at the same time, potentially capturing valuable metals such as gold.
Briefs: Manufacturing & Prototyping
Prototypes show promise as a low-cost, natural filtration option.
Articles: Green Design & Manufacturing
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: Wearables
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: Test & Measurement
In 2020, the EPA marks 50 years of preparing for, responding to, preventing, and mitigating natural and manmade disasters.
Briefs: Motion 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.
Briefs: Green Design & Manufacturing
This device could be used to find threats to ecosystems.
Q&A: Mechanical & Fluid Systems
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.
Articles: Sensors/Data Acquisition
Life-saving sensors, soft hearing implants, and a new water-decontamination method
Briefs: Test & Measurement
This inexpensive system can detect lead levels below EPA standards.
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: Energy

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...

Briefs: Energy

A breakthrough imaging technique developed by Cornell researchers shows promise in decontaminating water by yielding surprising and important information about catalyst particles that can't be...

Articles: Mechanical & Fluid Systems

This column presents technologies that have applications in commercial areas, possibly creating the products of tomorrow. To learn more about each technology, see the contact information provided for that...

Briefs: Materials
Smartphone Test Spots Poisoned Water Risk

Researchers have developed a biosensor that attaches to a smartphone and uses bacteria to detect unsafe arsenic levels. The device generates easy-to-interpret patterns similar to volume-bars that display the level of contamination.

Briefs: Manufacturing & Prototyping

Researchers at the University of Houston have created an inexpensive system that can detect lead in tap water at levels commonly accepted as dangerous, using a lens made with an...

Articles: Mechanical & Fluid Systems

This column presents technologies that have applications in commercial areas, possibly creating the products of tomorrow. To learn more about each technology, see the contact information provided for that...

Briefs: Mechanical & Fluid Systems
Pre-Treatment Solution for Water Recovery

The Pre-Treatment Solution for Water Recovery technology was developed by NASA Johnson Space Center innovators to increase the amount of potable water recovered from the International Space Station’s urine processor assembly system. The solution increased the water recovery rate in the ISS distiller...