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A buzzer or beeper is an audio signaling device, [1] which may be mechanical, electromechanical, or piezoelectric (piezo for short). Typical uses of buzzers and beepers include alarm devices , timers , train and confirmation of user input such as a mouse click or keystroke.
The following is a list of the world's oldest surviving physical documents. Each entry is the most ancient of each language or civilization. For example, the Narmer Palette may be the most ancient from Egypt, but there are many other surviving written documents from Egypt later than the Narmer Palette but still more ancient than the Missal of Silos.
The Danish physicist Valdemar Poulsen creates the world's first magnetic recording and reproduction, using a 1 mm thick steel wire as a magnetizable carrier. Nikola Tesla publicly demonstrated the first wireless remote control of a model ship. 1899: The dog "Nipper" is used in "His Master's Voice", the trademark for gramophones and records.
One of the earliest books in existence is expected to fetch upwards of $2.6m when it goes up for auction later this year. One of world’s earliest known books expected to fetch more than $2.6m at ...
A buzzer is often constructed by running string through two of the holes on a large button and is a common and easily made toy. A buzzer (buzz, bullroarer, button-on-a-string) is an ancient mechanical device used for ceremonial purposes and as a toy. It is constructed by centering an object at the midpoint of a cord or thong and winding the ...
Adab al-katib (The book of knowledge) by Ibn Qutayba (828–889); the earliest Arabic work that could be called an encyclopedia [dubious – discuss] Bibliotheca by Patriarch Photius (9th century), the earliest Byzantine work that could be called an encyclopedia; Hrabanus Maurus, 842. De rerum naturis (On the nature of things), derived from ...
Early Bronze Age: 3rd millennium BC (approximate dates shown). The earliest written literature dates from about 2600 BC (classical Sumerian ). [ 1 ] Certain literary texts are difficult to date, such as the Egyptian Book of the Dead , which was recorded in the Papyrus of Ani around 1240 BC, but other versions of the book probably date from ...
The history of books starts with the development of writing, and various other inventions such as paper and printing, and continues through to the modern-day business of book printing. The earliest knowledge society has on the history of books actually predates what would conventionally be called "books" today and begins with tablets, scrolls ...