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Matter & Energy

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an illustration of a Dyson sphere

STAR CATCHER  To prepare for an eventual energy shortage caused by the accelerating expansion of the universe, an ultrapowerful alien civilization could gather stars and capture their energy using hypothetical structures known as Dyson spheres, illustrated above.

LHC

LEVEL UP  Scientists are developing equipment to upgrade the Large Hadron Collider (shown). The first stage of construction for the upgrade began June 15.

Joseph Weber

WAVE RUNNER  Joseph Weber (shown in 1969) announced he detected a gravity wave using his aluminum cylinder detector at University of Maryland in College Park. It took nearly five decades for LIGO to confirm that gravity waves can be detected.

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