
Morse code can be communicated with a flashlight. The flashes of light represent a dot or a dash. A flash that lasts for one second is a dot. Flash the light three seconds for a dash.
Photo Credit: ansonsaw/Getty Images
Why do we have Daylight Saving Time? It has to … read more
The pitcher plant eats meat. Just like humans, they are … read more
Another new sport is surfing. Surfers ride waves. They ride … read more
© 2025 McGraw-Hill Education. All Rights Reserved.