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A timer or countdown timer is a type of clock that starts from a specified time duration and stops when reaching 00:00. A simple timer is an hourglass. Commonly, a timer triggers an alarm when it ends. A timer can be implemented through hardware or software . Stopwatches operate in the opposite direction, upwards from 00:00, measuring elapsed ...
Classic car. A classic car is typically an automobile 25 years or older; however, definitions vary. [note 1] A common theme is that of an older car of historical interest is collectible and tends to be restored rather than scrapped, though sometimes age is not a factor. Classic cars are often considered a subset of a broader category of ...
Old-timer or oldtimer may refer to: Person. Old-timer, a person of old age; Old-timer, a veteran; Old-timer, an eggcorn for someone with Alzheimer's disease; Old-Timers' Day, a US baseball tradition honouring Major League retirees; Vehicle. Oldtimer, a German, Dutch and Hungarian term for a vintage, antique or classic car
The Shortt–Synchronome clock, an electrical driven pendulum clock designed in 1921, was the first clock to be a more accurate timekeeper than the Earth itself. [167] A succession of innovations and discoveries led to the invention of the modern quartz timer. The vacuum tube oscillator was invented in 1912. [168]
Alzheimer's disease ( AD) is a neurodegenerative disease that usually starts slowly and progressively worsens, [2] and is the cause of 60–70% of cases of dementia. [2] [15] The most common early symptom is difficulty in remembering recent events. [1] As the disease advances, symptoms can include problems with language, disorientation ...
Hourglass. An hourglass (or sandglass, sand timer, or sand clock) is a device used to measure the passage of time. It comprises two glass bulbs connected vertically by a narrow neck that allows a regulated flow of a substance (historically sand) from the upper bulb to the lower one due to gravity.
The Prague astronomical clock at the Old Town Hall is one of the most famous astronomical clocks. The central section was completed in 1410, the calendar dial was added in 1490. The clock was renovated after damage during World War II, and in 1979. On the hour, Death strikes the time, and the twelve apostles appear at the doors above the clock ...
Old-time music is a genre of North American folk music.It developed along with various North American folk dances, such as square dancing, clogging, and buck dancing.It is played on acoustic instruments, generally centering on a combination of fiddle (see old time fiddling) and plucked string instruments, most often the banjo, guitar, and mandolin.