Michael Hayen
Michael Hayen Antimatter is tied up in one of the world's greatest mysteries. Physics predicts that when we create matter, we also create equal amounts of antimatter. Yet there seems to be almost no antimatter in our universe, a fact that has long puzzled physicists. Now, physicists at Simon Fraser University, the University of Calgary, TRIUMF, the University of British Columbia, York University and the British Columbia Institute of Technology and research institutions from around the world have just answered a long-standing question that will lead to a deeper understanding of antimatter: Does it fall down? Or does it fall up? The Antihydrogen Laser Physics Apparatus (ALPHA) collaboration at CERN, the European Organization for Nuclear Research, completed the first direct measurement of gravity's effect on the motion of antimatter using its new ALPHA-g apparatus. As expected by much of the scientific community, the new result confirms that antimatter does indeed fall downward. This is a tremendous scientific and technical achievement that marks a leap forward in the world of antimatter research. The collaboration's findings are published in Nature this week.
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