Chew On This: Chin Strap Harvests Energy
Blog 10/1/2014 1 comment Researchers in Canada have developed a chin strap that harvests energy from chewing and can potentially power a digital earplug that can provide both protection and communication capabilities.
3D-Printed Limbs Turn Kids into Superheroes
Blog 9/30/2014 19 comments Enabling the Future is designing prosthetic appendages modeled more like superhero arms and hands than your average static artificial limbs. And they’re doing it through a website and grassroots movement inspired by two men’s design and creation in 2012 of a metal prosthetic for a child in South Africa.
MAVEN Arrives at Mars
Engineering Materials 9/25/2014 13 comments NASA's MAVEN spacecraft has entered Mars' atmosphere, carrying instruments to help Earthlings figure out what happened to it. Launched last November, the spacecraft arrived at the red planet right on time after a journey of 442 million miles.
iPhone 6 Plus Teardown
Blog 9/23/2014 31 comments Released on September 19, 2014, this 5.5 inch screen iPhone is the larger version of the iPhone 6, whose teardown follows tomorrow.
What Can Engineers Learn From 4 Year Olds?
STEM Connection 9/23/2014 16 comments In many engineering workplaces, there’s a generational conflict between recent engineering graduates and older, more experienced engineers. However, a recent study published in the psychology journal Cognition suggests that both may have something to learn from another group: 4 year olds.
Airbus' 3D-Printed Metal Spacecraft Hinge
Engineering Materials 9/22/2014 7 comments Airbus Defence and Space has 3D printed titanium brackets for communications satellites. The redesigned, one-piece 3D-printed brackets have better thermal resistance than conventionally manufactured parts, can be produced faster, cost 20% less, and save about 1 kg of weight per satellite.
Stratasys Reveals Latest Multi-Materials 3D Printers
Engineering Materials 9/18/2014 2 comments At IMTS last week, Stratasys introduced two new multi-materials PolyJet 3D printers, plus a new UV-resistant material for its FDM production 3D printers. They can be used in making jigs and fixtures, as well as prototypes and small runs of production parts.
GE Aviation Steps Up 3D-Printed Engine Parts
Engineering Materials 9/16/2014 5 comments GE Aviation not only plans to use 3D printing to mass-produce metal parts for its LEAP jet engine, but it's also developing a separate technology for 3D-printing metal parts used in its other engines.
'Space Kid's' Design to be 3D-Printed on ISS
STEM Connection 9/16/2014 13 comments The “Space Kid,” 11, will be one of the first civilians to have his design manufactured in space, thanks to the City X Project, which inspires kids to think about new 3D-printed inventions that could be useful for humans living in space.
20 Top Employers for Engineers
Blog 9/15/2014 14 comments We searched far and wide for the top employers for engineers. These companies were ranked by engineering professionals, engineering students, and engineering instructors and professors. Does your employer make the grade?
Bad Bug Spray Baffles Engineer
Sherlock Ohms 9/15/2014 2 comments Sherlock Ohms highlights stories told by engineers who have used their deductive reasoning and technical prowess to troubleshoot and solve the most perplexing engineering mysteries.
Report: World Solar Demand Will Grow 75%
Engineering Materials 9/15/2014 35 comments The demand for solar energy around the world will grow a total of 75% by 2019, according to a new report by Lux Research. Trade disputes and policy changes, though, will complicate the picture.
Video: These Robots Have X-ray Vision
Blog 9/9/2014 9 comments Two small, wheeled robots can "see" through a concrete wall using nothing but WiFi wireless communication. They can detect and measure everything on the other side: people and objects, their positions and geometry, whether they're moving, and what materials they're made of.
CO2-Based Plastic Nears Production
Engineering Materials 9/8/2014 7 comments Bayer MaterialScience is using CO2 to produce a precursor for high-quality polyurethane foam at its pilot plant in Leverkusen. The transition to full-scale manufacturing is expected in 2016.
Understanding Case Hardening of Steel
Guest Blogs 9/4/2014 2 comments What do gears, bearings, and shafts have in common? For one thing, they're often made out of steel. For another, they're subject to a failure mode known as rolling contact fatigue.
Always Inspect the Fuses
Sherlock Ohms 9/4/2014 17 comments Sherlock Ohms highlights stories told by engineers who have used their deductive reasoning and technical prowess to troubleshoot and solve the most perplexing engineering mysteries.
NASA Invents Multi-Metals 3D Printing
Engineering Materials 9/3/2014 20 comments NASA's JPL and Caltech have achieved the mind-boggling feat of 3D printing multiple metals in a single end-part, grading from one alloy to another. They've also developed a method for combining metals with carbon fiber composites in end-production parts.
Video: Autonomous Military Robots Complete Mission
Engineering Materials 9/2/2014 3 comments More and more robots are becoming more autonomous all the time. Now Lockheed Martin has completed a demo mission with two completely autonomous robotic vehicles performing resupply, reconnaissance, surveillance, and target acquisition.
ASTM Proposes New Standards for Metal 3D Printing
Engineering Materials 8/29/2014 6 comments Producing high-quality end-production metal parts with additive manufacturing for applications like aerospace and medical requires very tightly controlled processes and materials. New standards and guidelines for machines and processes, materials, and printed parts are underway from bodies such as ASTM International.
Video: Temporary Tats Harvest Energy from Sweat
Blog 8/29/2014 21 comments Engineers at the University of San Diego’s Jacobs School of Engineering have designed biobatteries on commercial tattoo paper, with an anode and cathode screen-printed on and modified to harvest energy from lactate in a person’s sweat.
Video: 1,000 Swarming Robots Self-Assemble
Engineering Materials 8/28/2014 13 comments The biggest robot swarm to date is made of 1,000 Kilobots, which can follow simple rules to autonomously assemble into predetermined shapes. Hardware and software are open-source.
Update: Converting Plastics to Energy Could Boost US Reserves
Engineering Materials 8/27/2014 23 comments Although plastics make up only about 11% of all US municipal solid waste, many are actually more energy-dense than coal. Converting these non-recycled plastics into energy with existing technologies could reduce US coal consumption, as well as boost domestic energy reserves, says a new study.
A Tokyo company, Miraisens Inc., has unveiled a device that allows users to move virtual 3D objects around and "feel" them via a vibration sensor. The device has many applications within the gaming, medical, and 3D-printing industries.
In the last few years, use of CFD in building design has increased manifolds. Computational
fluid dynamics is effective in analyzing the flow and thermal properties of air within spaces. It can be used in buildings to find the best measures for comfortable temperature at low energy use.
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