GE Aviation Steps Up 3D-Printed Engine Parts
Engineering Materials 9/16/2014 2 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.
NASA to 3D Print 'Space Kid's' Design on ISS
STEM Connection 9/16/2014 3 comments The “Space Kid,” 11, will be one of the first civilians to have his design manufactured in space by NASA, 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 10 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 22 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 8 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 5 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 5 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.
Video: 3D Print on Top of Printed Objects
CAD/CAM Corner 8/22/2014 5 comments MIT students modified a 3D printer to enable it to print more than one object and print on top of existing printed objects. All of this was made possible by modifying a Solidoodle with a height measuring laser.
Video: Solar Car Drives Valuable Career Lessons Home
STEM Connection 8/21/2014 38 comments Since 1987, teams of engineers around the world have built solar cars to participate in a road race around Australia called the World Solar Challenge, being tested on the race time, kilometers traveled, practicality, and energy used by the vehicles they invent.
Report: Metamaterials Will Partly Depend on Additive Manufacturing
Engineering Materials 8/20/2014 8 comments Artificially created metamaterials are already appearing in niche applications like electronics, communications, and defense, says a new report from Lux Research. How quickly they become mainstream depends on cost-effective manufacturing methods, which will include additive manufacturing.
Will Your Next Hard Drive Be Liquid?
CAD/CAM Corner 8/19/2014 26 comments Sharon Glotzer and David Pine are hoping to create the first liquid hard drive with liquid nanoparticles that can store 1TB per teaspoon. They aren't the first to find potential data stores, as Harvard researchers have stored 700 TB inside a gram of DNA.
Video: Robot Hitchhikes Across Canada
Blog 8/19/2014 29 comments If you see a hitchhiker along the road in Canada this summer, it may not be human. That’s because a robot is thumbing its way across our neighbor to the north as part of a collaborative research project by several Canadian universities.
SpaceX Reveals 3D-Printed Rocket Engine Parts
Engineering Materials 8/19/2014 9 comments SpaceX has 3D printed and successfully hot-fired a SuperDraco engine chamber made of Inconel, a high-performance superalloy, using direct metal laser sintering (DMLS). The company's first 3D-printed rocket engine part, a main oxidizer valve body for the Falcon 9 rocket, launched in January and is now qualified on all Falcon 9 flights.
The “Space Kid,” 11, will be one of the first civilians to have his design manufactured in space by NASA, 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.
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