Navigation & Timekeeping
Navigation is a field of study that focuses on the process of monitoring and controlling the movement of a craft or vehicle from one place to another. The field of navigation includes four general cat...
How Does Big Ben Keep Accurate Time?
When parliament commissioned this clock in 1854, they insisted Big Ben be the biggest, most powerful clock in the world...
Mechanical Marvels Clockwork Dreams
Documentary Films ✧ Mechanical Marvels Clockwork Dreams
Simon Beck: Creating art with a compass and snowshoes
An English artist makes 300ft portraits with his snowshoes
Professor Eric Laithwaite lifts a 40-pound wheel with one hand and no effort because it’s spinning
Professor Eric Laithwaite (1921-1997), former Professor of Heavy Electrical Engineering at Imperial College London, shows what happens when a very heavy whee...
Sonar
A Navy vessel relies on its sonar equipment and analysts to provide vital information about distant and hidden enemies. Libertypresse's team follows the Sona...
Gyroscope
Purchase VIDEO: http://hilaroad.com/video A toy gyroscope demonstrates the remarkable consequences of angular momentum.
Calendar
Further reading: http://en.wikipedia.org/wiki/Gregorian_calendar PLEASE DO NOT REPORT THIS VIDEO. I KNOW I'VE UPLOADED THIS VIDEO WITHOUT PERMISSION, BUT PLE...
Clock
Purchase: http://hilaroad.com/video This video resource is designed to support the teaching of gears at an introductory level by explaining the role that gea...
Clock - Video
Clocks come in many different forms, from quartz watches to atomic clocks. Take a peek under the hood in this HowStuffWorks video and learn what makes clocks...
Calendar
A calendar is a system of organizing days for social, religious, commercial or administrative purposes. This is done by giving names to periods of time, typically days, weeks, months, and years. A dat...
Clock
A clock is an instrument to indicate, keep, and co-ordinate time. The word clock is derived ultimately (via Dutch, Northern French, and Medieval Latin) from the Celtic words clagan and clocca meaning ...
Compass
A compass is an instrument used for navigation and orientation that shows direction relative to the geographic cardinal directions, or "points". Usually, a diagram called a compass rose, which shows t...
Gyroscope
A gyroscope (from Greek γῦρος gûros, "circle" and σκοπέω skopéō, "to look") is a device for measuring or maintaining orientation, based on the principle of preserving angular momentum. Mechanical gyro...
Pendulum
A pendulum is a weight suspended from a pivot so that it can swing freely. When a pendulum is displaced sideways from its resting equilibrium position, it is subject to a restoring force due to gravit...
Radar
Radar is an object-detection system that uses radio waves to determine the range, altitude, direction, or speed of objects. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor...
Sonar
Sonar (originally an acronym for SOund Navigation And Ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, communicate with or detect objec...
Sundial
A sundial is a device that tells the time of day by the position of the Sun. In common designs such as the horizontal sundial, the sun casts a shadow from its style onto a surface marked with lines in...
Pendulum clock
A pendulum clock is a clock that uses a pendulum, a swinging weight, as its timekeeping element. The advantage of a pendulum for timekeeping is that it is a harmonic oscillator; it swings back and fo...
Speaking clock
A speaking clock or talking clock is a live or recorded human voice service, usually accessed by telephone, that gives the correct time. The first telephone speaking clock service was introduced in Fr...
Astronomical clock (Besançon)
The astronomical clock of Besançon is housed in Besançon Cathedral. Besançon's present astronomical clock, made in 1860 by Auguste-Lucien Vérité fr:Auguste-Lucien Vérité of Beauvais to replace an earl...
Phased array
In antenna theory, a phased array is an array of antennas in which the relative phases of the respective signals feeding the antennas are varied in such a way that the effective radiation pattern of t...
Simon Beck: Creating art with a compass and snowshoes
An English artist makes 300ft portraits with his snowshoes
Quantum gyroscope
A quantum gyroscope is a very sensitive device to measure angular rotation based on quantum mechanical principles. The first of these has been built by Richard Packard and his colleagues at the Unive...