Ellipse Drawing Board

[M | t | —]
Drawing stencil for blackboard use.

Foucault Pendulum

[L | t++ | ★★]
Plane of pendulum oscillation appears to change due to rotation of Earth.
[In-Depth Description]

Precession Globe

[M | t | ★★]
Globe pivoted so north pole can precess.
[In-Depth Description]

Moon Orbit Model

[M | t | ★★]
Mechanical model of Earth-Moon orbit around Sun.
[In-Depth Description]

Cavendish Experiment

[L | t++ | ★★★★]
Calculation of gravitational constant, with accompanying apparatus model.
[In-Depth Description]

Reversible (Kater's) Pendulum

[M | t | ★★]
A physical pendulum with two adjustable knife edges for an accurate determination of "g".
[In-Depth Description]

Newton's Apple

[L | t++ | ★★★★]
Apple electronically released from platform; fall time given by special circuit and digital display.
[In-Depth Description]

Potential Well Orbiter

[M | t | ★]
Orbital motion simulated by ball rolling on wooden potential well.
[In-Depth Description]

Gravitational Field Surface

[M | t | ★]
1m diameter rubber sheet acts as curved space for ball bearing masses.
[In-Depth Description]

Gravitational Lens

[M | t+ | ★★★]
Laser and plastic lens with curvature to simulate bending of light by massive object.
[In-Depth Description]

Saddle Shape Universe

[M | t | ★]
Curved space segment for open universe geometry.
[In-Depth Description]

Spherical Blackboard 

[M | t | ★★★]
1m black sphere to draw pretty non-Euclidean diagrams.
[In-Depth Description]

Contact Us

Mailing Address: Lecture Demonstration Services, Science Center, Rm B-08A, 1 Oxford Street, Cambridge, MA 02138
Campus Location: Science Center B-08A | Tel: (617) 495-5824 | Email: scidemos-at-fas.harvard.edu