The most fascinating feature of this galaxy is its jet, which is visible in optical light as well as x-rays and radio emissions. (space-facts.com)
These methods could become even more valuable if researchers could find a way for optical light to penetrate all the way through the body's tissues. (sciencedaily.com)
Together, we and others showed that the holes acted like an antenna to capture and transmit optical light. (kavliprize.org)