dark energy

SciTech Now Episode 38

In this episode of SciTech Now, we meet wildlife cops on the Columbia River working hard to stop poachers from catching and killing valuable sturgeon; we ask a scientist “Does extinction matter?” We go “Inside the Lab” and visit a group of Central Florida engineers who are building a flight simulator; Hari Sreenivasan sits down with MIT Professor Manolis Kellis to discuss this human epigenome; and we meet an expert at the American Museum of Natural History who explains the mysterious phenomenon dark energy.

Dark Energy

My name is Mordecai-Mark Mac Low and my position is Curator of Astrophysics. In the last century, we have learned that the universe is expanding and that the stuff is it made of is primarily not normal matter. It’s primary something we have called dark matter and something else we are calling dark energy. What do we know about dark energy?