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Photo by Evan Krape, photo composite by Jeffrey C. Chase Scientists are certain that dark matter exists. Yet, after more than 50 years of searching, they still have no direct evidence for the mysterious substance. University of Delaware's (UD's) Swati Singh is among a small group of researchers across the dark matter community that have begun to wonder if they are looking for the right type of dark matter. "What if dark matter is much lighter than what traditional particle physics experiments are looking for?" said Singh, an assistant professor of electrical and computer engineering at UD. N...

Searching for the Music of Dark Matter A University of Arizona optical scientist proposes repurposing existing tabletop technology in labs around the world to search for dark matter. By Mikayla Mace Kelley, University Communications Today The illustration shows how a cavity optomechanical system is used as a dark matter sensor. The white dotted wave represents the dark matter signal. The arrow indicates that it pushes on the mirror, changing the length of the optical cavity. The length of the optical cavity is measured using an optical field, represented by the red wave. Dalzie...

 E-Mail IMAGE: Jack Manley (left) is a UD doctoral student and Swati Singh is an assistant professor in the College of Engineering's Department of Electrical and Computer Engineering. view more  Credit: Photo by Evan Krape, photo composite by Jeffrey C. Chase Scientists are certain that dark matter exists. Yet, after more than 50 years of searching, they still have no direct evidence for the mysterious substance. University of Delaware's Swati Singh is among a small group of researchers across the dark matter community that have begun to wonder if they are looking for the right type...