If you can’t see it, how do you study it? Two researchers are on a quest to understand the properties of dark energy, which makes up 68% of the universe, and how to measure it. Join the Midday Science Cafe on Thursday, Feb. 18 at noon to learn about dark energy and its importance to science. https://lbnl.zoom.us/webinar/register/WN_3VLv9eB8RmeApHR1YojpzQ