How Well Do Shields Protect?
When a ballistic shield is struck with a heavy object, it can actually bend backward toward the shield holder. Researchers want to know if these shields do enough to protect against arm injury.
Space Manufacturing Could Need Acoustic Levitation
Researchers have devised a way to use acoustic levitation to enable metal additive manufacturing in microgravity environments in space, where metal powders can be fused together to create accurate parts and components.
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Does the Energy Transition Have a Place for Gas Turbines?
Yes, says Bechel’s John Gülen, but probably not in some of the carbon-neutral applications that have received attention over the past decade.
Fluid Valve Turned On By Heat
Electronics has its microtransistors. Now a research team has created a microscale valve for controlling fluid flows.
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