Do the crosswalk buttons on traffic lights actually work?

When standing at a crosswalk, you might press the button to cross and wonder if that button actually does anything. As it turns out, it's complicated.

Here's How NASA Uses Star Wars TIE Fighter Technology In Real Life

Here's the real science behind NASA technology and the ideas that inspired iconic "Star Wars" spacecraft, from propulsion ...
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I found a new meteor shower — and it comes from an asteroid getting baked to bits by the sun

A NASA researcher in planetary sciences explains how he discovered a new meteor shower linked to a disintegrating asteroid.