John J. Croat and Masato Sagawa simultaneously and independently invented the world’s most powerful permanent magnet, the neodymium (NdFeB) magnet, and established two different manufacturing methods to produce it. Their achievement is recognized by the 2023 Honda Prize, awarded by the Honda Foundation. This article highlights each inventor’s research contributions.

The manufacture of electric motors using additive methods offers potential advantages of increased efficiency, weight reduction, and customizability over traditional processes. This article describes some key developments and challenges related to additively manufactured electric motors in terms of manufacturing, materials development, and design.

A joint Canadian venture launches a new facility with an innovative hybrid approach to cold spray additive manufacturing. The technology platform combines multiple manufacturing steps in a single cold spray additive manufacturing (CSAM) unit, incorporating surface preparation, cold spray forming and buildup, local laser-based thermal treatment, and in-situ sequential robotic machining and semi-finishing.

In 1845, Michael Faraday discovered that light passing through a transparent medium can be altered with an externally applied magnetic field. It is not surprising, given the science and engineering involved, that the ideal medium for observing the Faraday effect and the process by which it is made have only recently been developed. This article explains how magneto-optical sensors make use of advanced materials and processes to harness the Faraday effect, making it possible to see magnetic fields and domains with detailed resolution and instantly obtain flux density measurements over the surface of magnetic materials and magnetized parts.