Items tagged with "fundamental constants"
There’s a big unsolved mystery in physics: The cosmic balance sheet for matter in our universe just doesn’t add up. Galaxies all over space move as though they are much heavier than they appear. Scientists postulate that they are full of stuff we cannot see, stuff that they call dark matter.
FROM NIST NEWS -- Next year, scientists expect to change the way we define the basic units with which we measure our universe. An article by scientists at JQI and the National Institute of Standards and Technology (NIST) written for teachers will help ensure high school physics students are hip to the news.