An unmanned aerial vehicle (UAV), commonly known as a drone, as an unmanned aircraft system (UAS), or by several other names, is an aircraft without a human pilot aboard. The flight of UAVs may operate with various degrees of autonomy: either under remote control by a human operator, or fully or intermittently autonomously, by onboard computers.
Surfing is a surface water sport in which the wave rider, referred to as a surfer, rides on the forward or deep face of a moving wave, which is usually carrying the surfer towards the shore.
A city is a large and permanent human settlement. Although there is no agreement on how a city is distinguished from a town in general English language meanings, many cities have a particular administrative, legal, or historical status based on local law.
Marine biology is the scientific study of organisms in the ocean or other marine bodies of water. Given that in biology many phyla, families and genera have some species that live in the sea and others that live on land, marine biology classifies species based on the environment rather than on taxonomy.
A laptop, often called a notebook or “notebook computer”, is a small, portable personal computer with a form factor, an alphanumeric keyboard on the lower part of the “clamshell” and a thin LCD or LED computer screen.
The world’s first recorded long distance road trip by automobile took place in Germany in August 1888 when Bertha Benz, the wife of Karl Benz, the inventor of the first patented motor car (the Benz Patent-Motorwagen)
Various forms of football can be identified in history, often as popular peasant games. Contemporary codes of football can be traced back to the codification of these games at English public schools during the nineteenth century.
The origins of yoga have been speculated to date back to pre-Vedic Indian traditions, it is mentioned in the Rigveda, but most likely developed around the sixth and fifth centuries BCE, in ancient India’s ascetic and śramaṇa movements.
The origin of the word “travel” is most likely lost to history. The term “travel” may originate from the Old French word travail. According to the Merriam Webster dictionary, the first known use of the word travel was in the 14th century. In English we still occasionally use the words travail and travails, which mean struggle. According to Simon Winchester in his book The Best Travelers’
A tablet computer, commonly shortened to tablet, is a thin, flat mobile computer with a touchscreen display, which in 2016 is usually color, processing circuitry, and a rechargeable battery in a single device. Tablets often come equipped with sensors, including digital cameras, a microphone, and an accelerometer.