Now, RCA Digital Alarm Clock is pretty basic, but for some of us, that’s all we need, right? With a bright, beaming red LED display, you’re certain to rub your eyes and wonder what weird light is pulsating from your nightstand. There’s an alarm indicator and the classic AM/PM light that we all remember from early-2000 models. You can do something different from your late 1990s-inspired clock, and that is change the brightness levels so you don’t completely burn out your retinas.
If you’re looking for a way to add some pizazz to your walls as well as some function, wall clocks are a great design choice. You can find a wall clock in almost every shape, style and color. From modern wall clocks like the sunburst clock to antique wall clocks such as the pendulum clock, there’s a style for every room and every home. Some are even designed to fit into specific rooms: there are dozens of kitchen clocks featuring faces shaped like teapots, cows, bottles of milk and more. There’s even incentive to go big, as large wall clocks can become a statement piece in the same way a large mirror or work of art can.

An alarm clock (alarm for short) is a clock that is designed to alert an individual or group of individuals at specified time. The primary function of these clocks is to awaken people from their night's sleep or short naps; they are sometimes used for other reminders as well. Most use sound; some use light or vibration. Some have sensors to identify when a person is in a light stage of sleep, in order to avoid waking someone who is deeply asleep, which causes tiredness, even if the person has had adequate sleep. To stop the sound or light, a button or handle on the clock is pressed; most clocks automatically stop the alarm if left unattended long enough. A classic analog alarm clock has an extra hand or inset dial that is used to specify the time at which to activate the alarm. Alarm clocks are also found on mobile phones, watches, and computers.
A clock that looks good and runs smoothly instantly adds charm and functionality to your living space. For a fresh take on the traditional wall clock, consider this eye-catching design. Introducing Ribbonwood by Umbra Add a modern, minimalist twist to telling time. With Ribbonwood, you get a stylish piece of wall décor and a functional wall clock all-in-one. Made with natural beech wood that’s been shaped to resemble overlapping ribbons, this unique clock features contrasting hands that...
Molded by mid-century modern style, this 38" wall clock brings a bit of bold flair to any space in your home. Its generous size helps it grab glances (and compliments!) from guests, while its open and numberless design gives it a minimalist feel. Crafted from metal, this round silhouette sports a gold finish with silver-finished hands in the center for subtle contrast. Two AA batteries (not included) are required to operate.

"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"
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.
You don't have to use all of those features, however. You can set them in a variety of combinations, or even turn all of them off except for the flashing red lights. You can also set the length of the alarm's ring from one to 60 minutes, and choose a snooze option from one to 30 minutes. Plus, the clock has dual alarms, so both you and your partner can have different wake-up times.
A: From personal experience, a firsthand account of an insomniac, if you will, Sleep Sense really did the trick. There’s a million reasons why you might not be sleeping, and while most of the time it’s stress or something of the sort, it could also be a deficiency of certain vitamins and minerals. Sleep Sense comes with melatonin, magnesium, and other ingredients, all designed to help you sleep, without the fear of becoming addicted or dependent on them. It took about three years to get over insomnia (if the TV is on, I still can’t sleep), but after enough trial and error, and a good dose of Sleep Sense, it did the trick. I stopped dreading the alarm clock so much.
The most accurate mechanical timekeeper is the Shortt pendulum clock; it makes use of the movement described above for electric master clock systems. The Shortt pendulum clock consists of two separate clocks, one of which synchronizes the other. The timekeeping element is a pendulum that swings freely, except that once every half minute it receives an impulse from a gently falling lever. This lever is released by an electrical signal transmitted from its slave clock. After the impulse has been sent, a synchronizing signal is transmitted back to the slave clock that ensures that the impulse to the free pendulum will be released exactly a half minute later than the previous impulse. The pendulum swings in a sealed box in which the air is kept at a constant, low pressure. Shortt clocks in observatories are kept in a room, usually a basement, where the temperature remains nearly constant, and under these conditions they can maintain the correct time to within a few thousandths of a second per day.
The word horologia (from the Greek ὥρα, hour, and λέγειν, to tell) was used to describe early mechanical clocks,[15] but the use of this word (still used in several Romance languages) [16] for all timekeepers conceals the true nature of the mechanisms. For example, there is a record that in 1176 Sens Cathedral installed a ‘horologe’[17] but the mechanism used is unknown. According to Jocelin of Brakelond, in 1198 during a fire at the abbey of St Edmundsbury (now Bury St Edmunds), the monks 'ran to the clock' to fetch water, indicating that their water clock had a reservoir large enough to help extinguish the occasional fire.[18] The word clock (from the Celtic words clocca and clogan, both meaning "bell"), which gradually supersedes "horologe", suggests that it was the sound of bells which also characterized the prototype mechanical clocks that appeared during the 13th century in Europe.
A piece of art and a functional home essential – this wall clock is a lovely addition to any home. Inspired by contemporary designs, it showcases an open frame crafted from metal wire. The geometric pattern will stand out against any color wall, while the golden finish adds a pop of glamorous appeal. At the center is a golden disk with two sleek black hands. This wall clock requires two AA batteries (not included).
The Howard Miller Brassworks II 625-569 is an over-sized, large wall clock showcases a distressed red dial with metal outer frame finished in antique black with brass undertones and highlights. The dial features aged iron-finished gears viewed through an open center. The spade hour and minute hands are finished in antique black with brass undertones and an antique black-finished gear in the center rotates. Quartz, battery-operated movement requires 1 AA battery. One year warranty and Free Shipping.

If Amazon’s alarm clock isn’t your cup of tea, however, then there’s probably another cutting-edge device for you. Light sleepers may require a little background noise throughout the evening, while deep sleepers need louder alarms to wake them in the morning. There are even alarm clocks that utilize lighting technology instead of traditional alarm functions, thus allowing for a steady, gradual sunrise in your bedroom. People are finicky about their sleeping gadgets, but, fortunately, one of these alarm clocks can probably match your lifestyle and budget. And who knows? You just might finally become a morning person.
The Howard Miller Chaz 625-614 Contemporary Wall Clock is finished in a Satin Silver on select hardwoods and veneers. This clock features insert mirror panels accenting the fixed front frame. The white dial has polished chrome bar hour markers and hands. The rectangle cut-out reveals a polished chrome-finished pendulum bob. The Chaz features a accurate Quartz, battery-operated, single-chime movement that plays the Westminster chime on the hour and counts the hour. It also features Automatic nighttime chime shut-off. Requires four AA sized batteries (not included). One Year Warranty and Free Shipping.
In 1735, Harrison built his first chronometer, which he steadily improved on over the next thirty years before submitting it for examination. The clock had many innovations, including the use of bearings to reduce friction, weighted balances to compensate for the ship's pitch and roll in the sea and the use of two different metals to reduce the problem of expansion from heat. The chronometer was tested in 1761 by Harrison's son and by the end of 10 weeks the clock was in error by less than 5 seconds.[43]
Instead of sleepily fumbling with the alarm in the mornings trying to find the “off” switch, simply flip this alarm over to the other side. That’s it. Amazon reviewers rave about how minimalist and lightweight it is, perfect for throwing in your carry-on for vacations or business trips. Bonus: It comes in a variety of bright poppy hues, as well as more subdued colors like this modern dark wood.

The Howard Miller Postema Oversized 49" Wall Clock is a unique piece that will remind you of oversized clocks. This round-shaped clock is a piece of style with the traditional accents. The clock has an espresso finish and round shape. You can mount this clock in any room at your home. This clock can also be placed in big halls or entryways because of its size and functionality. The clock has a distressed finish that complements the espresso varnish. This antique wall clock is made from wrought...
Some clocks, called 'flip clocks', have digital displays that work mechanically. The digits are painted on sheets of material which are mounted like the pages of a book. Once a minute, a page is turned over to reveal the next digit. These displays are usually easier to read in brightly lit conditions than LCDs or LEDs. Also, they do not go back to 12:00 after a power interruption. Flip clocks generally do not have electronic mechanisms. Usually, they are driven by AC-synchronous motors.
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This Mission style wall clock is finished in a Mission Oak dark finish. A parchment dial features dark brown numerals and hands. Decorative, wooden moldings frame the dial. Circular brushed brass swinging pendulum is antiqued and framed with wooden, reeded grilles. Quartz, dual chime movement plays Westminster or Ave Maria chimes, and features volume control and automatic nighttime shut-off option. Shadow collection - matching floor clock available. Size: H. 32-1/2" W.16-3/4" D.6"
A clock that looks good and runs smoothly instantly adds charm and functionality to your living space. For a fresh take on the traditional wall clock, consider this eye-catching design. Introducing Ribbon Wall Clock by Umbra Add a modern, minimalist twist to telling time. With Ribbon, you get a stylish piece of wall décor and a functional wall clock all-in-one. Made with high-quality metal that’s been shaped to resemble overlapping ribbons, this unique clock features contrasting hands...

Replaced Old English dægmæl, from dæg "day" + mæl "measure, mark" (see meal (n.1)). The Latin word was horologium; the Greeks used a water-clock (klepsydra, literally "water thief"). Image of put (or set) the clock back "return to an earlier state or system" is from 1862. Round-the-clock (adj.) is from 1943, originally in reference to bomber air raids.
Small in size but striking in style, this eye-catching wall clock brings a dash of contemporary flair to any arrangement in your home. Showcasing a sunburst silhouette measuring 20" in diameter, this round silver-finished design is crafted with an iron and mirrored frame comprised of black spokes with orb-like accents. A petite glass clock face with sword-style hands sits in the center, allowing you to keep an eye on the hour in any room.
It is amazing what a difference adding a single wall clock will change the look and feel of your favorite room in your home. We offer Large and Small, Chiming and Non-Chiming as well as traditional and contemporary designs. Hundreds of Wall Clocks all on sale today by Howard Miller, Hermle, Seiko and Bulova! Narrow down your choices by selecting from a category below.
Any expansion or contraction of the rod caused by changes of temperature will affect the timekeeping of a pendulum; e.g., a pendulum clock with a steel rod will lose one second a day for a rise in temperature of approximately 4 °F (2.2 °C). For accurate timekeeping, the length of the pendulum must be kept as nearly constant as possible. This may be done in several ways, some of which use the differing coefficients of expansion (the amount of expansion per degree change in temperature) of different metals to obtain a cancelling-out effect. In one popular compensation method, the bob consists of a glass or metal jar containing a suitable amount of mercury. The gridiron pendulum employs rods of different metal, usually brass and steel, while in the zinc-iron tube the pendulum rod is made of concentric tubes of zinc and iron. An improved method, however, is to make the pendulum rod from a special alloy called Invar. This material has such a small coefficient of expansion that small changes of temperature have a negligible effect and can easily be compensated for if required.

c. 1350–1400, Middle English clokke, clok, cloke, from Middle Dutch clocke (“bell, clock”), from Old Northern French cloque (“bell”), from Medieval Latin clocca, probably of Celtic origin, from Proto-Celtic *klokkos (“bell”) (compare Welsh cloch, Irish clog), from Proto-Indo-European *klēg-, *klōg-. Related to Old English clucge, Saterland Frisian Klokke (“bell; clock”), Low German Klock (“bell, clock”), German Glocke, Swedish klocka. Related to laugh.
Wallingford's clock had a large astrolabe-type dial, showing the sun, the moon's age, phase, and node, a star map, and possibly the planets. In addition, it had a wheel of fortune and an indicator of the state of the tide at London Bridge. Bells rang every hour, the number of strokes indicating the time.[22] Dondi's clock was a seven-sided construction, 1 metre high, with dials showing the time of day, including minutes, the motions of all the known planets, an automatic calendar of fixed and movable feasts, and an eclipse prediction hand rotating once every 18 years.[23] It is not known how accurate or reliable these clocks would have been. They were probably adjusted manually every day to compensate for errors caused by wear and imprecise manufacture. Water clocks are sometimes still used today, and can be examined in places such as ancient castles and museums. The Salisbury Cathedral clock, built in 1386, is considered to be the world's oldest surviving mechanical clock that strikes the hours.[24]

“Love how simple this digital timer is. I travel a lot, and it’s small enough to put in my purse. The off button is convenient because it keeps the buttons from being pressed while stored away and conserves the battery, but when you turn it back on, your setting are stored so no need to reset [each] time. … [There’s just the] clock, alarm, snooze, on/off. The smaller and simpler the better when I’m traveling.”

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