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Solar flares and stellar flares hit differently

The sun is not only our closest stellar neighbor, it’s also the star we understand the most. As we’ve observed it over the centuries, we’ve learned that the sun is not an immortal constant. It goes through active and quiet cycles, it has become...

Making sense of quantum gravity in five dimensions

Quantum theory and Einstein’s theory of general relativity are two of the greatest successes in modern physics. Each works extremely well in its own domain: Quantum theory explains how atoms and particles behave, while general relativity describes gravity and...