Stock Footage0:31
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Sunrise On A Wind Farm

Pre-K - Higher Ed
The sun comes from behind the silhouetted turbine into view. Looking to the future concept.
Stock Footage0:08
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Choose the best

Pre-K - Higher Ed
Choose the best
Stock Footage0:17
Getty Images

Wind turbine landscape

Pre-K - Higher Ed
Wind turbine landscape
Stock Footage0:25
Getty Images

Spiral Clock (Dark, without Handles) - Loop

Pre-K - Higher Ed
Spiral Clock (Dark, without Handles) - Loop
Stock Footage0:31
Getty Images

Dawn Of A New Age

Pre-K - Higher Ed
An amazing dawn sunrise overlooking a clean energy source. This is the way ahead, the future concept.
Stock Footage0:20
Getty Images

Glassy Euro Symbol Spin Background Loop - Textured Blue HD

Pre-K - Higher Ed
Glassy Euro Symbol Spin Background Loop - Textured Blue HD
Stock Footage0:09
Getty Images

A spider bites a human.

Pre-K - Higher Ed
A spider bites a human.
Stock Footage0:28
Getty Images

Areas of a brain light up with activity.

Pre-K - Higher Ed
Areas of a brain light up with activity.
Stock Footage0:23
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An asteroid impacts Earth in a computer-generated animation.

Pre-K - Higher Ed
An asteroid impacts Earth in a computer-generated animation.
Stock Footage0:15
Getty Images

A spacecraft transports humans from Earth in a computer-generated animation.

Pre-K - Higher Ed
A spacecraft transports humans from Earth in a computer-generated animation.
Stock Footage0:23
Getty Images

A swirling vortex destroys Earth in a computer-generated animation.

Pre-K - Higher Ed
A swirling vortex destroys Earth in a computer-generated animation.
Stock Footage0:12
Getty Images

Spectators at the edge of Sydney Harbour await midnight on New Year's Eve.

Pre-K - Higher Ed
Spectators at the edge of Sydney Harbour await midnight on New Year's Eve.
Stock Footage0:31
Getty Images

A futuristic curved white framework forms the roof of a Saudi airport.

Pre-K - Higher Ed
A futuristic curved white framework forms the roof of a Saudi airport.
Stock Footage0:12
Getty Images

A man uses a jetpack to fly over a park.

Pre-K - Higher Ed
A man uses a jetpack to fly over a park.
Stock Footage0:32
Getty Images

Scientists discuss robots in a laboratory.

Pre-K - Higher Ed
Scientists discuss robots in a laboratory.
Stock Footage0:22
Getty Images

A spider-like robot moves up and down on many legs.

Pre-K - Higher Ed
A spider-like robot moves up and down on many legs.
Instructional Video9:59
Curated OER

Flow Of Time, Part 3/4

9th - 12th
With the understanding of space-time and fourth dimensional space comes the question of time travel and free will. The physics of time-travel and time relativity is well explained by leading physicists. This is a highly theoretical...