Image licensed under CC BY-SA 2.0
We use clocks throughout the day to mark the passage of time and organize our days, but what is time? For scientists who study time this is a surprisingly difficult question and it is becoming more complicated as even more accurate clocks are developed. Listen to learn more about a clock that is so accurate the passage of time varies based on where the clock is located.
Story Length: 5:38
© 2014 National Public Radio, Inc. Used with the permission of NPR. All rights reserved.
AIR DATE: 11/03/2014
September 5, 2014
3:42
Large rocks on the desert floor in California’s Death Valley have puzzled miners and scientists for years. These heavy rocks have long winding trails in the sand behind them but no one had ever seen the rocks move. For the last 60 years scientists have searched for answers but now with the use of GPS and video cameras they have solved the mystery. Listen to this public radio story to engage your student in the mystery and the science behind the moving rocks.
Read MoreMay 30, 2014
7:53
Olin College in Massachusetts has one of the largest student populations of female engineers, which is rare because so few women go into the sciences. There is a documented gender and confidence gap for female engineers, but students think it can be closed by reaching girls at an earlier age. Listen to this radio story to find out how schools are fixing this problem.
Read MoreApril 29, 2014
3:53
A few seconds lost over millions of years seem irrelevant, but atomic clock scientists say that better clock precision will help us study and feel the heartbeat of the universe.
Read More