(IMAGE) The Daylight Award Caption Air traffic control tower simulation by Greg Ward, The Daylight Award 2018 Laureate for Daylight Research Credit © Greg Ward, Charles Ehrlich Usage Restrictions No restrictions. License Public Domain Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.