NASA hot-fired a rocket engine using an injector fabricated from layers of a nickel-chromium alloy powder. That’s cool. What’s cooler? They used 3-D printing to create it. It’s the biggest printed engine component the agency has tested...
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Of the massive mass transit failures of the past, there have been some doozies. A few outlandish projects were so science fiction that they were doomed from the start, while other proposals were possible, but died an ignoble death due to financing or technical difficulties. Regardless, these public transit pipe dreams are cautionary tales for those who dream of a world that's easier to navigate.
It’s one thing to invent a unique kind of digital experience in Disney World, a controlled space where people expect magic. It’s altogether trickier to do the same thing in people’s houses, offices, and bedrooms—the most intimate areas of their lives—in a way that feels both natural and inevitable.
