"Stripe Clock" is a modern metallic design created by the artist, Belle. Measured at 24 inches on each side, this metal art is made from a single sheet of metal expertly grinded and tinted and made in to a functional clock. It is mainly characterized by the bright stripe in the middle of the sheet of metal. Each stroke and grind pattern on this piece accentuates the beauty of the plain sheet of metal. The glimmer coming from the shallow grinds are like street lights illuminating the city in the...
Spring-driven clocks appeared during the 15th century,[25][26][27] although they are often erroneously credited to Nuremberg watchmaker Peter Henlein (or Henle, or Hele) around 1511.[28][29][30] The earliest existing spring driven clock is the chamber clock given to Phillip the Good, Duke of Burgundy, around 1430, now in the Germanisches Nationalmuseum.[4] Spring power presented clockmakers with a new problem: how to keep the clock movement running at a constant rate as the spring ran down. This resulted in the invention of the stackfreed and the fusee in the 15th century, and many other innovations, down to the invention of the modern going barrel in 1760.
You also need an alarm clock when you have a job or you're in school. It's important for you to wake up on time and avoid being tardy. Arriving late to work is an offense that could get you fired from your job, especially if happens more than once. Missing class because you slept in will also slow your educational progress and waste your money. When you put your alarm clock on your dresser instead of putting it right by your bed, you'll have to get up to turn it off, which helps you get going for the day.

Amazon buyers love it as well: with more than 4,600 reviews, the clock has an average of 4.4 stars. Not only do most buyers comment that it easily awakens them even though they are heavy sleepers, but several hearing-impaired buyers also mentioned that even without the sound, the vibration and flashing lights were enough to wake them up. One customer summed it up well, "If you can sleep through this, then you may not be alive."
This special 82nd Anniversary Edition Contemporary wall clock is one our more popular pendulum chiming wall clocks and features a white dial with black Roman numerals and a brushed nickel bezel. A spun nickel pendulum bob is suspended in front of a mirrored back. Finished in Black Satin. One Year Warranty. Quartz, triple chime Harmonic movement plays your choice of Westminster, Ave Maria, or Bim-Bam chimes with volume control and automatic nighttime chime shut-off option.
If the last thing you do before closing your eyes for the night is pick up your cell phone to set the alarm, how likely is it that you're just going to do that one thing, then set the phone down on the nightstand? Admit it, you're probably going to check your Instagram, send a text or two, play just one more round of your favorite game, or surf the web.

Many devices can be used to mark passage of time without respect to reference time (time of day, minutes, etc.) and can be useful for measuring duration or intervals. Examples of such duration timers are candle clocks, incense clocks and the hourglass. Both the candle clock and the incense clock work on the same principle wherein the consumption of resources is more or less constant allowing reasonably precise and repeatable estimates of time passages. In the hourglass, fine sand pouring through a tiny hole at a constant rate indicates an arbitrary, predetermined, passage of time. The resource is not consumed but re-used.
A clock accent and 9 metal gears make this vintaged wall decor a statement-making addition to any room. Hang it in the den for a rustic-chic focal point or add it to a cluster of canvas prints for a dynamic gallery display. Nothing adorns your living space like a lavish timepiece, and with the Chellis Wall Clock you are sure to receive a lot of compliments. Intricately designed, this clock is an eye-catching piece that will elevate the beauty of your decor manifold. A rustic and cutting-edge...

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The OK to Wake! alarm clock and nap timer is a useful tool for parents with young kids learning the importance of sleep schedules. When it's OK for a child to get out of bed (aka when the alarm or nap timer goes off) the clock will light up green, providing an easy-to-understand visual cue for little ones to start their day. It even has interchangeable face plates to suit aesthetic preferences.
As of the 2010s, atomic clocks are the most accurate clocks in existence. They are considerably more accurate than quartz clocks as they can be accurate to within a few seconds over thousands of years.[54] Atomic clocks were first theorized by Lord Kelvin in 1879.[55] In the 1930s the development of Magnetic resonance created practical method for doing this.[56] A prototype ammonia maser device was built in 1949 at the U.S. National Bureau of Standards (NBS, now NIST). Although it was less accurate than existing quartz clocks, it served to demonstrate the concept.[57][58][59] The first accurate atomic clock, a caesium standard based on a certain transition of the caesium-133 atom, was built by Louis Essen in 1955 at the National Physical Laboratory in the UK.[60] Calibration of the caesium standard atomic clock was carried out by the use of the astronomical time scale ephemeris time (ET).[61] As of 2013, the most stable atomic clocks are ytterbium clocks, which are stable to within less than two parts in 1 quintillion (2×10−18).[62]

In China, a striking clock was devised by the Buddhist monk and inventor Yi Xing (683–727).[5] The Chinese engineers Zhang Sixun and Su Song integrated striking clock mechanisms in astronomical clocks in the 10th and 11th centuries, respectively.[6] A striking clock outside of China was the water-powered clock tower near the Umayyad Mosque in Damascus, Syria, which struck once every hour. It was constructed by the Arab engineer al-Kaysarani in 1154. In 1235, an early monumental water-powered alarm clock that "announced the appointed hours of prayer and the time both by day and by night" was completed in the entrance hall of the Mustansiriya Madrasah in Baghdad.[7]
Acadia finish on select hardwoods and veneers is heavily distressed by scribes, and worm holes for a natural, rustic appearance — inspired by the natural yet rustic nature of reclaimed woods in beautiful patinas and burnished details. Features a multi-tiered flat top, distinctive columns with corbels frame the door. Circular spun antique nickel-finished dial with black Roman numerals, hour markers, and hands. Antique nickel-finished lyre pendulum. Quartz, battery-operated, triple-chime Harmonic movement plays choice of full Westminster or Ave Maria chimes with strike on the hour with 1/4, 1/2, and 3/4 chimes accordingly; Westminster chime and strike on the hour only; or Bim Bam chime on the hour only. Volume control and automatic nighttime chime shut-off option. Powered by two C sized batteries. One year warranty and Free Shipping
Let's face it: The ring, blare, buzz, or chirp of your alarm clock is probably never going to be your favorite sound. But then again, the angry rumble of your boss, when you show up late for work after oversleeping, is even worse. So make mornings a little easier by choosing an alarm clock that makes your return to reality if not a pleasure, then at least not a pain.
A clock mechanism may be used to control a device according to time, e.g. a central heating system, a VCR, or a time bomb (see: digital counter). Such mechanisms are usually called timers. Clock mechanisms are also used to drive devices such as solar trackers and astronomical telescopes, which have to turn at accurately controlled speeds to counteract the rotation of the Earth.
Use of a Clock is optional. All key date-time classes also have a now() factory method that uses the system clock in the default time zone. The primary purpose of this abstraction is to allow alternate clocks to be plugged in as and when required. Applications use an object to obtain the current time rather than a static method. This can simplify testing.
The Howard Miller Brohman 625-618 Large Wall Clock has a brushed, warm brown finish and metallic undertones. At 34" in diameter with a 22" aged dial this clock will fit just about any decor. With large Roman numerals and black hands this clock will be a favorite for years to come. Highly accurate quartz movement requires one AA battery (Not Included).
Versatile style abounds with this wood and metal wall clock, showcasing a wine barrel-inspired design. Its plank details pair perfectly with rustic decor while its rivet accents match with industrial options and factory-inspired furniture. Add it to the dining room to complement a cozy loft ensemble or use it to round out a bold boho look in the den. Its round silhouette adds traditional flair to both formal and casual aesthetics while its natural hues blend effortlessly into any color palette....
For some scientific work timing of the utmost accuracy is essential. It is also necessary to have a standard of the maximum accuracy against which working clocks can be calibrated. An ideal clock would give the time to unlimited accuracy, but this is not realisable. Many physical processes, in particular including some transitions between atomic energy levels, occur at exceedingly stable frequency; counting cycles of such a process can give a very accurate and consistent time—clocks which work this way are usually called atomic clocks. Such clocks are typically large, very expensive, require a controlled environment, and are far more accurate than required for most purposes; they are typically used in a standards laboratory.
More than just a time teller, oversized wall clocks create an eye-catching centerpiece in any ensemble while helping define your space’s aesthetic. Take this one for example: made from iron, it’s the perfect pick for any modern farmhouse-inspired decor. It strikes a circular silhouette and has an open and airy feel. Roman numeral accents line the periphery while two spade hands keep tabs on the time. It measures 30'' W x 30'' H x 1'' D and is operated by AA batteries.

Transform an open and plain wall into a timeless focal point with this oversized clock, a versatile addition that lends any room in your home a touch of charm. Crafted of metal, this gray-finished piece features inner and outer rings connected by large Roman numerals that bring classic appeal to your space. This open-faced design is perfect for making a statement without overwhelming your arrangement. Mount this analog over a well-worn leather sofa so you don't lose track of the time as you...

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"love it...Not bad...The alarm clock is one of the best I have had, the kids enjoy the extra interactions, and having music anywhere without having to connect my phone to a speaker has been wonderful....I just broadcast a message to them and a glass of water appears in my room LOL I like that it can be controlled from the clock or my phone, so no matter when I am I can broadcast or turn their music down"
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