Engineering news

Engineering

Zigzags for greener construction: Design avoids concrete and steel waste

Concrete is the most widely used construction material in the world. Made from cement, water, sand and gravel, this relatively cheap mixture can be shaped as needed and withstand high forces in compression. Yet it performs ...

Engineering

Nature-inspired design uses elastic pillars to eject freezing droplets, preventing ice buildup

Water droplets under freezing conditions do not spontaneously detach from surfaces as they do at room temperature due to stronger droplet-surface interaction and lack of an energy transformation pathway. Since accumulated ...

Engineering

Stress tests for the Swiss power system

Researchers from ETH Zurich and ZHAW Winterthur are simulating in a new study how the future Swiss power system could be structured to withstand a drastic fall in gas and electricity imports. By doing so, they aim to contribute ...

Engineering

Engineers 3D print tiny, intricate antennas

Today, nearly all personal electronic devices rely on antennas to send and receive data. In fact, demand is also rising for lightweight antennas for new applications, including the latest in 5G/6G networks, advanced wearable ...

Engineering

The new age of infrastructure maintenance using data from space

The concentration of the population in cities is accelerating, and difficulties in maintaining various infrastructures are arising due to extreme weather. Extensive infrastructures like waste landfill facilities face significant ...

Engineering

3D-printed fungal fuel cell offers biodegradable power solution

A battery that needs feeding instead of charging? This is exactly what Empa researchers have achieved with their 3D-printed, biodegradable fungal battery. The living battery could supply power to sensors for agriculture or ...

Engineering

AI generates missing parts of temperature distribution

Before engineers at Carnegie Mellon University begin conducting additive manufacturing (AM) experiments in two dedicated labs that are equipped with an impressive range of 3D printing equipment, they often times rely on the ...

Engineering

Ultraprecise method of aligning 3D semiconductor chips invented

Researchers at the University of Massachusetts Amherst have invented a new way to align 3D semiconductor chips by shining a laser through concentric metalenses patterned on the chips to produce a hologram. Their work, published ...

Engineering

Bird wings inspire new approach to flight safety

Taking inspiration from bird feathers, Princeton engineers have found that adding rows of flaps to a remote-controlled aircraft's wings improves flight performance and helps prevent stalling, a condition that can jeopardize ...

Engineering

Machine learning enhances defect detection in metal 3D printing

Researchers from Northwestern University, University of Virginia, Carnegie Mellon University, and Argonne National Laboratory have made a significant advancement in defect detection and process monitoring for laser powder ...