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AirPods. AirPods are wireless Bluetooth earbuds designed by Apple. They were first announced on September 7, 2016, alongside the iPhone 7. Within two years, they became Apple's most popular accessory. [4] [5] AirPods are Apple's entry-level wireless headphones, sold alongside the AirPods Pro and AirPods Max .
A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula. As formulas are entirely constituted with symbols of various types, many symbols are needed for ...
See media help. Joseph Haydn's Keyboard Concerto No. 11 in D major (Hob. XVIII / 11) was written between 1780 and 1783. It was published in 1784. [1] It is his last concerto for a keyboard instrument . Originally, this concerto was composed for harpsichord or fortepiano and scored for an orchestra in a relatively undeveloped galant style that ...
macOS. The history of macOS, Apple 's current Mac operating system formerly named Mac OS X until 2011 and then OS X until 2016, began with the company's project to replace its "classic" Mac OS. That system, up to and including its final release Mac OS 9, was a direct descendant of the operating system Apple had used in its Mac computers since ...
Apple headphones. Apple Inc. has produced and sold headphones since 2001, available for standalone purchase and bundled with iPhone (until 2020) and iPod (until 2022) products. Apple's current product line consists of EarPods (wired earbuds available with a 3.5mm headphone or Lightning connector or USB-C ), AirPods and AirPods Pro (wireless ...
Schrödinger's cat: a cat, a flask of poison, and a radioactive source connected to a Geiger counter are placed in a sealed box. As illustrated, the quantum description uses a superposition of an alive cat and one that has died. In quantum mechanics, Schrödinger's cat is a thought experiment concerning quantum superposition.
The Salem witch trials were a series of hearings and prosecutions of people accused of witchcraft in colonial Massachusetts between February 1692 and May 1693. More than 200 people were accused. Thirty people were found guilty, nineteen of whom were executed by hanging (fourteen women and five men). One other man, Giles Corey, died under ...
IEEE 802.11-2020, which was known as IEEE 802.11 REVmd, is a revision based on IEEE 802.11-2016 incorporating 5 amendments (11ai, 11ah, 11aj, 11ak, 11aq). In addition, existing MAC and PHY functions have been enhanced and obsolete features were removed or marked for removal.