Networks still have opening segments where helmets of the opposing teams crash into each other.

FORBES: The NFL's Violent Hit Parade

When a forest of screaming pundits crash into each other on TV (or online), everyone hears it.

FORBES: The Death of SPIN

The idea is that when WIMPs crash into each other, they annihilate and produce two particles electrons and positrons which are much easier to detect than the WIMPs themselves.

WSJ: Scientists Find Hint of Dark Matter

Traveling at a fraction below the speed of light, the particles would crash into each other, creating conditions similar to those at the dawn of the universe for scientists to observe.

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