NOVA.

NOVA

Why Bridges Collapse

The 2018 collapse of a section of the Morandi Bridge in Genoa, Italy; bridge collapses in the U.S.; engineering techniques that can make bridges safer and prevent them from breaking down. (60 minutes)

Can't find the episode you're looking for?

Check PBS Video

UPCOMING EPISODES

Wed, 7/29 at 8:00 pm on Austin PBS HDTV

Pluto and Beyond

New Horizons prepares to fly by an object known as MU69 on Jan. 1, 2019, which is expected to be the most distant flyby in NASA's history. (60 minutes)

Thu, 7/30 at 1:00 am on Austin PBS HDTV

Pluto and Beyond

New Horizons prepares to fly by an object known as MU69 on Jan. 1, 2019, which is expected to be the most distant flyby in NASA's history. (60 minutes)

Sun, 8/2 at 3:00 am on Austin PBS HDTV

Pluto and Beyond

New Horizons prepares to fly by an object known as MU69 on Jan. 1, 2019, which is expected to be the most distant flyby in NASA's history. (60 minutes)

Sun, 8/2 at 5:00 pm on Austin PBS HDTV

Pluto and Beyond

New Horizons prepares to fly by an object known as MU69 on Jan. 1, 2019, which is expected to be the most distant flyby in NASA's history. (60 minutes)

Tue, 8/4 at 6:00 pm on Austin PBS WORLD

Pluto and Beyond

New Horizons prepares to fly by an object known as MU69 on Jan. 1, 2019, which is expected to be the most distant flyby in NASA's history. (60 minutes)

Tue, 8/4 at 11:00 pm on Austin PBS WORLD

Pluto and Beyond

New Horizons prepares to fly by an object known as MU69 on Jan. 1, 2019, which is expected to be the most distant flyby in NASA's history. (60 minutes)

Wed, 8/5 at 7:00 am on Austin PBS WORLD

Pluto and Beyond

New Horizons prepares to fly by an object known as MU69 on Jan. 1, 2019, which is expected to be the most distant flyby in NASA's history. (60 minutes)