A techno-economic analysis evaluated the commercial potential of producing electrofuels through Fischer&ndash;Tropsch synthesis using green hydrogen and carbon dioxide.

A techno-economic analysis evaluated the commercial potential of producing electrofuels through Fischer–Tropsch synthesis using green hydrogen and carbon dioxide.

Electrofuel as a Cost-Competitive Shipping Fuel

Researchers at North Carolina State University have modeled the transfer of ultrasonic waves from one optical fiber to another, essentially creating an optical fiber coupler for light waves.

A Fiber Optic Acoustic Coupler for Light Waves

The concept of engineering justice is hardly a new one, but its significance will continue to grow, making understanding the research that has come before vital.&nbsp;

The concept of engineering justice is hardly a new one, but its significance will continue to grow, making understanding the research that has come before vital. 

Engineering Design for All

Complex shapes have been difficult for one or more robots to 3D print&mdash;until now.

Complex shapes have been difficult for one or more robots to 3D print—until now.

Adding a Twist to 3D Printing

October-December 2025

To improve the communication between patients and bioelectronic devices, the interface between the two should follow the curve of the body. Researchers have developed a curvature-matching design strategy that can enhance wearability during skin motion.

Contact is Key to Bioelectronics

A combo of wireless sensors and computer models reveals bridge integrity issues unseen by conventional inspections.

Diagnosing Bridge Health

Engineers are finding a growing number of applications for mechanical metamaterials, which feature unique mechanical properties that are determined by their structure.

Engineers are finding a growing number of applications for mechanical metamaterials, which feature unique properties that are determined by their structure.

Fabricating Mechanical Metamaterials

The horizontal-axis wind turbine has become an efficient and economical means to produce electricity. Some of the largest machines can produce as much as 15 MW when running at full capacity. But such turbines can be too complicated for small-scale operations or for capturing wind power in urban settings.&nbsp;

The horizontal-axis wind turbine has become an efficient and economical means to produce electricity. Some of the largest machines can produce as much as 15 MW when running at full capacity. But such turbines can be too complicated for small-scale operations or for capturing wind power in urban settings.

A Better Shape to Catch the Wind

October-December 2024

The technology has uses beyond the aviation and manufacturing sectors. A new study found all three phases of civil engineering projects&mdash;planning/design, construction, and operation and maintenance&mdash;can find value in digital twins.

The technology has uses beyond the aviation and manufacturing sectors. A new study found all three phases of civil engineering projects—planning/design, construction, and operation and maintenance—can find value in digital twins.

Digital Twins Can Support Civil Engineering Projects

Researchers at the University of Bologna in Italy have developed a method of dry grinding for automotive gears&mdash;without using oils and other lubricants.

Researchers at the University of Bologna in Italy have developed a method of dry grinding for automotive gears—without using oils and other lubricants.

A More Sustainable Way to Make Automotive Gears

Manufacturers rely on heating, cooling, and ventilation systems to provide optimal environments for their equipment&mdash;and workers. University of Alabama researcher Forooza Samadi describes ways companies can optimize these systems.

Manufacturers rely on heating, cooling, and ventilation systems to provide optimal environments for their equipment—and workers. University of Alabama researcher Forooza Samadi describes ways companies can optimize these systems.

Q&A: Improving Efficiency in HVAC Systems

It&rsquo;s not all about power&mdash;a robotic arm needs the right technique and architecture to hurl an object efficiently.

It’s not all about power—a robotic arm needs the right technique and architecture to hurl an object efficiently.

Robot Throwing

January-March 2025

Standards used in the UK for building hydrogen pipelines and piping systems, and how these need to be upgraded for new systems or the conversion of existing oil and gas lines to transmit hydrogen&nbsp;

Researchers analyze UK standards for building hydrogen pipelines and piping systems, and how these need to be upgraded for new systems or the conversion of existing oil and gas lines to transmit hydrogen.

Infrastructure Challenges for Hydrogen Pipelines

Researchers at the University of Waterloo have developed a model that identifies the best way to wrap cables around structural components in spacecraft to minimize their impacts on performance.&nbsp;

Researchers at the University of Waterloo have developed a model that identifies the best way to wrap cables around structural components in spacecraft to minimize their impacts on performance. 

October-December 2025

In This Issue

Electrofuel as a Cost-Competitive Shipping Fuel

A Fiber Optic Acoustic Coupler for Light Waves

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Engineering Design for All

Adding a Twist to 3D Printing

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