Magnetic Shield • 2013 • episode "S1E7" Secrets of the Earth

Category: Environment
Download:

Earth's metallic core makes the planet a huge magnet, generating a magnetic field that protects us from dangerous cosmic rays and solar energy.

Secrets of the Earth • 2013 • 9 episodes •

Rain

Scientists are just now unlocking the amazing secrets of how rain is made; some raindrops form around micrometeorites from outer space, others are created by bacteria that float into the upper atmosphere.

2013 • Environment

Tsunamis

Which places on earth are poised to generate the next mega-tsunamis and the science of what happens as the wave emerges from open ocean and bears down on land.

2013 • Environment

Tides

Explore what drives the strange science behind places like Canada's Bay of Fundy-where water levels rise as much as 50 feet during high tide, and Alaska's Turnagain Arm, where 10-foot tall "bore waves" routinely wash in from the sea.

2013 • Environment

Volcanoes

Volcanoes have incredible effects on the weather; eruptions create localized weather phenomena like acid rain and violent volcanic lightning.

2013 • Environment

Gravity

NASA satellites have mapped Earth's gravity and discovered mysterious spots where gravity is weaker; how earthquakes change the planet's gravitational field.

2013 • Environment

Goldilocks

Venus and Mars show how inhospitable Earth could have been if things were just a little bit different.

2013 • Environment

Magnetic Shield

Earth's metallic core makes the planet a huge magnet, generating a magnetic field that protects us from dangerous cosmic rays and solar energy.

2013 • Environment

Blizzards

Blizzards; it's one of the Earth's most beautiful secrets until it turns into a storm that can bring entire cities to a grinding halt.

2013 • Environment

Strangest Places

Steamy underworlds hiding mysterious treasures, extreme waters teeming with unique life, and jarring rock formations made of frozen lava.

2013 • Environment

You might also like

Ecuador: Hope for the Cloud Forests

The cloud forests in the Andes of Ecuador are among the most species-diverse landscapes on Earth. These beautiful forests are under threat. They have to give way to fields and cow pastures. But there are conservationists who want to stop the clearing of the cloud forests.

2/5Paradise Preserved • 2019 • Environment

Earth 2100

Lucy is born June 2, 2009, in the suburbs of Miami and is still alive in the year 2100. This is her story.

2009 • Environment

Blizzards

Blizzards; it's one of the Earth's most beautiful secrets until it turns into a storm that can bring entire cities to a grinding halt.

S1E8Secrets of the Earth • 2013 • Environment

Magnetic Shield

Earth's metallic core makes the planet a huge magnet, generating a magnetic field that protects us from dangerous cosmic rays and solar energy.

S1E7Secrets of the Earth • 2013 • Environment

Tsunamis

Which places on earth are poised to generate the next mega-tsunamis and the science of what happens as the wave emerges from open ocean and bears down on land.

S1E2Secrets of the Earth • 2013 • Environment

Metals

The enduring luster of gold, the conductivity of copper, the strength of steel—the special properties of metals have reshaped societies and defined eras; they have such an important role in human history that entire ages have been named after them. But what gives metals their astounding characteristics? From the perfect ring of a bronze bell to the awe-striking steel construction of Beijing’s “Bird’s Nest” stadium, how have humans perfected metalworking? And how have metals enabled our modern hi-tech world? Explore the science of metals with chemists and engineers as they literally test the mettle of metals and investigate how these remarkable materials have ushered humanity from the Stone Age to the stars.

Part 2Treasures of the Earth • 2016 • Environment