Sometimes intuitive, large-scale phenomena can give us incredible insights into the extremely unintuitive world of quantum mechanics.

Howcast - Check out part 25 and join the war between the Autobots and Decepticons in Activisions' newest release, Transformers: Fall of Cybertron

Howcast - Check out part 35 and join the war between the Autobots and Decepticons in Activisions' newest release, Transformers: Fall of Cybertron

Howcast - Check out part 27 and join the war between the Autobots and Decepticons in Activisions' newest release, Transformers: Fall of Cybertron

Howcast - Check out part 24 and join the war between the Autobots and Decepticons in Activisions' newest release, Transformers: Fall of Cybertron

When you hear the roar of traffic, the bark of a dog, or your teacher's voice, you are experiencing sound. This program uses colorful animations to explore important characteristics of sound, including intensity, loudness, pitch, and...

Foetus head up close, rotating 3D ultrasound..

Foetus yawning, 4D ultrasound..

Foetus in the womb, rotating 3D ultrasound scan.. NOT AVAILABLE TO CLIENTS BASED IN UK

Foetus moving in womb, 4D ultrasound..

Close up on Foetus face, 4D ultrasound..

Foetus, rotating 3D ultrasound..

Foetus head up close, rotating 3D ultrasound..

First trimester foetus in womb, rotating 3D ultrasound scan..

Foetus rubbing head with left hand, 4D ultrasound..

Foetus in the womb, 4D ultrasound scan..

Foetus head up close, rotating 3D ultrasound..

Foetus in the womb, rotating 3D ultrasound scan..

Twin foetuses at ten weeks old, 4D ultrasound scan..

Foetus with its arms in front of its face, 4D ultrasound scan..

Triplet foetuses in womb, 4D ultrasound scan..

Foetus moving arms, 4D ultrasound..

Foetus in the womb, rotating 3D ultrasound scan..

Foetus in the womb from side on, rotating ultrasound..