SciTech

August 25, 2013 9:46 PM

Ask a scientist: What causes rip currents?

Rip currents have several different causes depending on the local beach conditions. In North Carolina, most rip currents are caused by waves breaking on the offshore sandbar, which forces water to pile up between the bar and the beach, higher than the ocean.

Related content

Comments

Videos

More Videos

When hail freezes over: How does hail get so big? 01:37

When hail freezes over: How does hail get so big?

Kansas City Royals players pose for 3D pictures for MLB video game 01:20

Kansas City Royals players pose for 3D pictures for MLB video game

Jeff Bezos's space company successfully lands fully reusable rocket 03:14

Jeff Bezos's space company successfully lands fully reusable rocket

Mars mission reveals how the solar wind strips away the atmosphere of the red planet 02:48

Mars mission reveals how the solar wind strips away the atmosphere of the red planet

Thermonuclear Art from the Sun 29:40

Thermonuclear Art from the Sun

Rare supermoon lunar eclipse explained 01:21

Rare supermoon lunar eclipse explained

Here's what a lunar eclipse looks like 00:19

Here's what a lunar eclipse looks like

Gergen urges Elon grads to 'take North Carolina back' 01:42

Gergen urges Elon grads to 'take North Carolina back'

"Click it or Ticket" starts off with a bang 00:41

"Click it or Ticket" starts off with a bang

"Click it or Ticket" campaign starts off with a bang 00:41

"Click it or Ticket" campaign starts off with a bang

North Carolina has a tool to curb prescription drug overdoses, but most doctors don't use it 01:34

North Carolina has a tool to curb prescription drug overdoses, but most doctors don't use it

Share Video

Technology Videos