Latest Charles Hard Townes Stories
Fifty years ago Sunday, a man named Theodore Maiman built the first working laser.
What would life be like without the laser?
A massive bright reddish star in the Orion constellation has mysteriously shrunk by over 15 percent in the last 15 years.
Word of the Day
- The word or words serving to define another word or expression, as in a dictionary entry.
The word 'definiens' comes from the Latin word 'definire', 'to define'.