Electronic music, originally developed in the 1950s and popularised since, uses digital and computer technologies to produce sounds and rhythms. Since its development, electronic music has had an enormous influence on popular music genres worldwide and also encompasses experimental studio practices like circuit bending and Algorave.
Pierre Schaeffer and his colleagues at S 2F M studio pioneered early experiments in electronic music, with notable developments like BBC Radiophonic Workshop – best known for its 1963 electronic realisation of Doctor Who theme music.
Electronic timers
Electronic timers are electrical devices designed to track specific intervals of time. They’re commonly found in kitchen appliances, cameras, smartphones and computer systems – with some also featuring programmable relays to control events’ timing. Electronic timers come in all sorts of styles and forms; some serve industrial/commercial uses while others cater more directly to consumers.
These devices work by tracking a set time interval and sending out a signal when that period has elapsed to trigger an event in connected equipment. They consist primarily of an oscillator, counter, and control circuitry – with each component playing its part: oscillator generates regular series of pulses which the counter tracks; their output then being compared against the set interval time by control circuitry in order to determine when triggering events will take place.
Certain timers require calibration in order to achieve accurate and consistent timing intervals. This involves comparing their timing output against an accurate standard such as a calibrated stopwatch or an atomic clock; additionally, when choosing a timer for specific uses it’s also important to take operating conditions and environmental aspects into consideration.
Electric timers come in various styles and prices to meet the specifications and needs of specific applications. Some devices are even designed to be installed inside wall switches for automatic daylight savings adjustments. Other timers are designed as plug-in devices that can switch on or off connected equipment at specified times or intervals. Some electronic timers feature additional functions, including delay cycles, position indicators, preset counters and delay cycles; furthermore they can be combined with other digital devices for increased functionality and precision. Such products help users save energy and money by controlling equipment during periods when its usage is less necessary.
Hour glasses
Hour glasses can be used in many ways to mark time: as an entertaining way of counting down an event or simply as decorative ornaments. Furthermore, hour glasses are often used to teach students how to measure time accurately and responsibly; most commonly made from glass but some also featuring other materials. Hour glasses come in an array of shapes and sizes. While the majority are relatively small, there are larger ones reaching 3 feet (1 meter). They can even be made to look like animals or other objects. Hour glasses can even be engraved and some even come colored! Minor quantities of waste result from the manufacture of hour glasses. Some of this waste comes from wood being cut to make an hourglass frame; other waste material comes from melting and blowing of glass; additionally, some sand added to an hourglass may need to be discarded.
Early hourglasses consisted of two pear-shaped bulbs of glass joined at their apexes and filled with enough sand that it would flow through their passage in one hour if left alone. Care was taken in measuring this passageway’s size so as to produce hourglasses in various sizes that adhered to pretested measurements of sand flow on various types of glass.
These simple glass pieces were widely used prior to the invention of clocks as an easy and portable method of measuring intervals of time, often being used to time hard boiled egg preparation or game times. Clocks became increasingly complex during Renaissance, so glass pieces also served as a symbol of mortality and life’s fleetingness as timers.
Hourglasses may not be as precise as chronometers, but they remain useful tools today. Hourglasses are especially helpful in monitoring chemical processes – for instance when monitoring aquatinta printing plates being etched or sensitizing wet collodion photographic plates being sensitized – or when determining the length of time required for tasks such as drying paint. Plus they make beautiful decorations in any home or office – perfect gifts for anyone interested in history!
Apps
Find several timer apps with easy and enjoyable interfaces, sound effects and great visuals for daily tasks such as cooking meals or taking quizzes. Some even link up to your music library! Timer apps make learning time fun for kids while adults can use them more effectively to complete work-related tasks in a more engaging manner.
Create multiple countdown timers with optional alarms and start/pause/stop them simultaneously or sequentially. Select your display color for each timer and set notifications for special notifications – plus choose from an extensive library of sound or music files as alarms/notifications!
Online timers can be as straightforward or intricate as necessary. Pomdor is an example of such an online timer which satisfies both criteria. It’s user-friendly yet elegantly minimalist – an ideal timer for trying the Pomodoro Technique or as an everyday minimalist timer.
Marinara Timer is available both on desktop computers and mobile devices. It provides features to share timers by linking to them – making it perfect for working in teams! In addition, this app has features designed to increase productivity with employee monitoring capabilities as well as basic timesheets.
Mechanical timers
Mechanical timers are versatile devices used to manage electrical systems. From turning on lights or shutting down water pumps, mechanical timers can save both energy and money. These timers use internal moving parts such as gears and springs to trigger switch mechanisms at predetermined intervals – offering both analog and digital models for use at your convenience. Analog timers measure time using traditional clockwork while digital ones rely on electronic circuitry.
Digital timers offer more accuracy, but their use may be confusing to novice users. Before using a digital timer for the first time, make sure you know how it operates before starting work on any task.
Mechanical timers offer an alternative to hour glasses, making them much simpler to operate. There are a few key considerations you should keep in mind before investing in one, though. You should ensure it can withstand your home voltage before installing according to manufacturer’s instructions, then inspect for damages or misalignment of tripper and gears before making your final purchase decision.
Mechanical timers come in many varieties; clock-driven devices rely on a mainspring to store energy that activates them; spring-driven timers use spring and trip lever to generate mechanical action; dashpot timers pass compressed air or hydraulic fluid into or out of an enclosed space through an opening with either fixed or variable diameter openings;
Mechanical timer switches differ from digital ones in that they do not need to be connected to an outlet or battery for operation, making them suitable for remote locations that would make wiring in power sources impractical and more durable than their digital counterparts. Furthermore, these mechanical switches tend to be cheaper.
An escapement in a mechanical timer switch is a device that repeatedly captures and releases gear teeth to keep the timer accurately tracking time. An escapement may take the form of either a pendulum or balance wheel.