DTN 079: Inside the Hypersonic Arms Race

Plus: 1M mile EV bus battery, 24/7 satellite wildfire monitoring, quantum sensing breakthrough, 3D-printed glass blocks, and more.

September 20, 2024

“Hypersonic weapons are so fast, their speed can change the surrounding air molecules. They can carry a nuclear warhead, fly low and be hard to detect. They’re at the center of escalating competition between the US on one side and Russia and China on the other. And their use in combat has raised alarms. Ukraine claimed that Russia used a hypersonic missile to attack Kiev in early 2024. It’s not just the world’s military powers that seek to elicit awe with a hypersonic arsenal: Yemen’s Houthi rebels claim that the missile they used to hit central Israel Sept. 15 was hypersonic, though the Israeli military disputed that.” (Bloomberg)

3D-printed glass blocks, shaped like a figure eight, assembled together in a wall configuration prior to mechanical testing.

MIT researchers have developed 3D-printed glass blocks shaped like figure eights that interlock like Legos, offering a novel approach to sustainable construction. This innovation leverages glass's optical properties and infinite recyclability, potentially revolutionizing building practices. The project, using 3D printers from MIT spinoff Evenline, demonstrates how academic research can lead to practical, eco-friendly construction solutions. (via MIT/TechCrunch)

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