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Dressing actively contracts to close wounds
An adhesive alginate-based hydrogel is combined with a thermoresponsive polymer that both repels water and shrinks at around 90° F.
How the world’s first large-scale electric excavator works
The 25 tonne Cat 323F Z-line excavator is nearly identical to the diesel-powered Cat 323F excavator, except its diesel engine has been replaced with an electric powertrain.
Watch: A moonlit tribute to an Apollo pioneer
The tribute was created by positioning more than 107,000 mirrors at the Ivanpah Solar Facility in the Mojave Desert to reflect the light of the moon.
Scientists develop contact lens capable of 'zooming in'
Scientists at the University of California, San Diego, have developed a contact lens that can be controlled by eye movements.
Watch: Water desalination with solar steam technology
A solar steam generation system designed to desalinate seawater harvests salt in addition to producing potable water.
Missile defense systems could learn a lot from a dragonfly
Simulated dragonflies successfully caught their prey using computer algorithms designed to mimic the way a dragonfly processes visual information while hunting.
Bearing terms and calculations every design engineer should know
When sized and used properly most bearings will operate for many years without requiring replacement. Knowledge of bearing life and load terminology and calculations will help the design engineer with bearing selection.
Gel-like gap filler improves cooling performance
The thermal interface material delivers a thermal conductivity of 1.3 W/m-K with a thermal resistance as low as .50° C/in2/W.
Self-assembled micromachines with medical potential
Micromachines with possible medical applications such as targeted drug delivery within the body or lab-on-a-chip diagnostics have been designed by researchers from Max Planck Institute for Intelligent Systems in Germany.
Researchers devise a solution for eliminating skunk spray odor
Researchers from the University of Oklahoma have devised a solution for neutralizing the odor of skunk spray using a compound found in fungi.
Decommissioned military vehicles in Jordan find new life as artificial reefs
A Jordanian resort on the Red Sea is using decommissioned tanks, armored troop carriers and a helicopter as well as other objects to build an artificial reef and underwater museum.
New spacesuits are coming
Collins Aerospace unveils new outfits for future manned space exploration.
Color-changing tattoos serve as diagnostic displays
Specially formulated pigments injected into the skin change color to signal the status of a specific health condition.
Six reasons to choose NorPro as a preferred supplier for support media
Saint-Gobain NorPro introduced Denstone® catalyst bed support media for fixed catalyst bed applications more than 70 years ago.
A near-accident leads the NTSB to warn about jet fuel contamination
Aviation fuel contamination is a longstanding safety issue. The accidental introduction of diesel exhaust fluid into aviation fuel is the latest iteration of the issue.
Scientists develop an artificial throat for those who cannot speak
Researchers from Tsinghua University in Beijing, China, have devised a wearable that can turn throat movement into sound.
Spillways start to close — at last — as Mississippi River recedes
The spillway is designed to ensure that a maximum river flow of 1.25 million cfs passes through what is known as the Mississippi River and Tributaries system at New Orleans.
Modular drilling system with a carbide tip
A new modular drilling system with an intelligent carbide tip insert interface provides for fast flow and multi-coolant delivery for an impressive 82% increase in tool life.
Girl Scouts announce more STEM-themed badges
Girls Scouts of the USA (GSUSA) has announced the addition of several new science, technology, engineering and math (STEM)-themed badges. The new badges, designed for Girl Scouts in middle and high school, extend knowledge and skills gained by earning similar badges as Daisies, Brownies and Junior Scouts.
Virgin Hyperloop One to build 35 km test track in Saudi Arabia
The company will also build a research and development center and hyperloop manufacturing facility in the country.