Uncategorized

  1. Cosmology

    The universe’s continued existence implies extra dimensions are tiny

    The strictest limits yet on the size of extra dimensions come from the fact that black holes haven't destroyed the universe.

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  2. Astronomy

    ‘Einstein’s Shadow’ explores what it takes to snap a black hole’s picture

    The new book offers a behind-the-scenes look at the Event Horizon Telescope’s attempt to image a black hole.

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  3. Physics

    A new ultrafast laser emits pulses of light 30 billion times a second

    A new technique allows lasers to pulsate at a higher rate than ever before.

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  4. Health & Medicine

    City size and structure may influence influenza epidemics

    The size and structure of cities helps shape the progression of new influenza cases during a flu season, a new study finds.