Overview of multi-material DIW 3D food printing. A) The printed line with two nozzles required switching of the nozzle positions, and the printed line was not collinear due to misalignment.…
Tag: Engineering
Researchers develop novel 3D printing strategy with controllable gradients porous structures
Comparison of traditional- and FDA-3DP strategies. Credit: Ruan Changshun Material extrusion 3D printing technology is widely utilized in biofabrication/bioprinting, tissue engineering, flexible electronics, and soft robotics. However, the fixed printing…
Researchers show electrical pulses can control thermal resistance in devices
Oxygen vacancies can be controlled by an electric field in oxides, inducing large changes in the thermal conductivity. Credit: ACS Appl. Mater. Interfaces 2024, 16, 12, 15043–15049 Controlling heat flow…
This device gathers, stores electricity in remote settings
A pyroelectrochemical (PEC) cell, is a device that converts thermal energy into electricity and stores it. Credit: Brian Maffly Today wirelessly connected devices are performing an expanding array of applications,…
Are high-purity cathode materials truly necessary? An alternative to reduce secondary battery costs
Managing the level of magnesium impurity purification emerges as a pivotal process in regulating secondary battery cathode material productivity, longevity, and eco-friendliness. Credit: POSTECH Manufacturers of secondary battery cells (LG…
Using a 2D perovskite oxide as a photoactive high-κ gate dielectric
Preparation and characterization of SNO nanosheets. a, Schematic illustration of the preparation and device fabrication processes. b, AFM image of SNO nanosheets. Inset: cross-sectional height profile along the white dashed…
After the Baltimore bridge collapse, we need clear-eyed assessments of the risks to key infrastructure
Credit: Pixabay/CC0 Public Domain Catastrophic collapses of major bridges are thankfully rare. Notable examples in the last couple of decades include the failure of the I35-W in Minneapolis in August…
Failure of Francis Scott Key Bridge provides future engineers a chance to learn how to better protect the public
Credit: Pixabay/CC0 Public Domain The cargo ship collision that destroyed the Francis Scott Key Bridge in Baltimore on March 26, 2024, is raising questions about just how much engineers can…