Spencer Rogers, a coastal erosion and construction specialist with the North Carolina Sea Grant, has been studying rip currents since 1978. (ncseagrant.org photo)
Spencer Rogers, a coastal erosion and construction specialist with the North Carolina Sea Grant, has been studying rip currents since 1978. (ncseagrant.org photo) ncseagrant.org
Spencer Rogers, a coastal erosion and construction specialist with the North Carolina Sea Grant, has been studying rip currents since 1978. (ncseagrant.org photo) ncseagrant.org

Ask a scientist: What causes rip currents?

August 25, 2013 09:46 PM

UPDATED June 15, 2015 03:38 PM

More Videos

  • What's Up in the night sky for November 2017

    Catch planet pairs and watch the moon pass stellar superstars! See Jupiter and Venus at dawn, the Moon shine near star clusters, and meteor activity all month long.