The Doomsday Clock, introduced in 1947 by the Bulletin of the Atomic Scientists, has been reset 23 times depending on world events. In January 2018, it was reset to 2 minutes to midnight due to threats such as North Korean nuclear aggression and climate change. The hypothetical Doomsday Clock was introduced in 1947, making its […]
An HTML clock is a coding sequence that creates a clock or clock-like image on a website. It can be basic or complex, with variations in color, size, and style. Creating the code is the hardest part, but pre-written sequences are available for inexperienced website owners to copy and paste. A clock that appears in […]
A clock drive is used in astronomy to automatically move a telescope at the same speed as the Earth’s rotation, allowing for steady observation and astrophotography. It rotates the telescope at one rotation per sidereal day, and is now electrically powered. It reduces human error in astrophotography. A clock drive is used in astronomy, especially […]
Clock frequency measures the speed at which a CPU performs basic functions and is measured in MHz or GHz. It’s not reliable for comparing different types of computers. Benchmarks are a more reliable source of comparison, such as SPEC, TPC, and EEMBC. Other components in a computer, such as expansion buses and RAM, also use […]
Clock speed measures a computer’s basic calculations and operations, with a quartz crystal inside the CPU setting the frequency. While it’s commonly used to refer to CPU performance, it’s not a reliable indicator of overall computer performance. Upgrading components or overclocking can increase speed, but it’s not recommended due to potential damage and voided warranties. […]
Clock oscillators use electronic circuits to time events and control the speed of clocks. Quartz crystal is the most accurate material used, vibrating at a stable frequency when an electric current is applied. Clock oscillators are used in computers, radios and watches, and were discovered by the Curie brothers in 1880. Clock oscillators are electronic […]
Diode clocks use LED lights to create patterns and numbers. Some designs are retro while others are more modern. Diode watches vary in price depending on the materials used in their construction. A diode clock is a specific type of clock that uses somewhat modern technology to present a digital readout. Diode watches follow the […]
When choosing an atomic clock, consider its style, material, and unique features. Look for automatic daylight saving time adjustments, daily date and time signal adjustments, and functions appropriate to your intended use. The most important feature is its ability to receive and process the radio signal link from the centrally located atomic clock. Other factors […]
The internal clock, or circadian rhythm, is a 24-hour cycle present in most living things. It is important for maintaining regular behavior patterns, but can be disrupted by external factors such as night work or travel. Monitoring body temperature and melatonin levels can help assess the current state of the internal clock. Also referred to […]
City guards are volunteer groups that patrol cities to increase public safety, similar to neighborhood watches. Members wear uniforms and use radios or cell phones to communicate with police. They can coordinate security corridors and patrol at night or during the day, varying their routes to prevent crime. To start an organization, meet with the […]
Chemical clocks are reactions that cause an observable event after a delay, often indicated by a change in color or production of gas. The iodine clock reaction is a common example. Cyclical reactions involve a solution that alternates between two or more states, and the Briggs-Rauscher reaction is an example of a three-color oscillating chemical […]
Attendance clocks monitor employee comings and goings, record hours worked, and improve workplace safety. They were introduced in the late 19th century and have become commonplace in modern workplaces, with some using electronic or biometric systems. The clocks simplify payroll and can be used for security purposes. Some workplaces use software to monitor individual employee […]
Water clocks were used to measure time, with examples dating back to 4000 BC. They were classified as inflow or outflow and were used for astrological observations and measuring time during events. The accuracy could be adjusted, but they were eventually replaced by more precise timekeeping devices during the age of exploration. A water clock […]
Time clock software varies in price and complexity, with some being free and simple, while others integrate with payroll software. Features and compatibility differ, but all capture employee punches. Smaller programs have fewer features, while larger ones offer time off tracking and other benefits. Clock software can be accessed via a PC or physical clock, […]
The idiom “working around the clock” means working all day and all night, although it’s not technically possible. It’s often used to describe someone who works longer than average and has little time for rest and socializing. Lifestyle characteristics of such a person include neglecting housework, having little free time, and neglecting themselves. This can […]
Time clock systems track employee hours for payroll and attendance purposes. Manual, digital, and software clocks are the three main types. Digital clocks are more accurate and can store information digitally, while software clocks can track vacation and sick time. Some businesses use phone systems for clocking in and out. Time clock systems allow employers […]
“Against the clock” is an idiom used when someone is racing to complete a task within a deadline, often in high-stress environments like business or sports. It originated from “race against time” in the sports world. English has many time-related idioms, with over 3,500 in use, making it difficult for non-native speakers to understand. Some […]
