Search results

A vaccine is a biological preparation that provides active acquired immunity to a particular infectious or malignant disease. The safety and effectiveness...

iOS is a mobile operating system developed by Apple Inc. and was first released as iPhone OS in June 2007, coinciding with the launch of the first generation...

A solar panel is a device that converts sunlight into electricity by using photovoltaic (PV) cells. PV cells are made of materials that produce excited...

This is a list of the largest known epidemics and pandemics caused by an infectious disease in humans. Widespread non-communicable diseases such as cardiovascular...

Gunpowder, also commonly known as black powder to distinguish it from modern smokeless powder, is the earliest known chemical explosive. It consists of...

Trinitrotoluene (/ˌtraɪˌnaɪtroʊˈtɒljuiːn/), more commonly known as TNT (and more specifically 2,4,6-trinitrotoluene), and by its preferred IUPAC name 2-methyl-1...

Dubai International Airport (Arabic: مطار دبي الدولي) (IATA: DXB, ICAO: OMDB) is the primary international airport serving Dubai, United Arab Emirates...

Mining is the extraction of valuable geological materials and minerals from the surface of the Earth. Mining is required to obtain most materials that...

High-Definition Multimedia Interface (HDMI) is a proprietary audio/video interface for transmitting uncompressed video data and compressed or uncompressed...

Venlafaxine, sold under the brand name Effexor among others, is an antidepressant medication of the serotonin–norepinephrine reuptake inhibitor (SNRI)...

Big data primarily refers to data sets that are too large or complex to be dealt with by traditional data-processing application software. Data with many...

Radio-frequency identification (RFID) uses electromagnetic fields to automatically identify and track tags attached to objects. An RFID system consists...

The Luftwaffe (German pronunciation: [ˈlʊftvafə] ) was the aerial-warfare branch of the Wehrmacht before and during World War II. Germany's military air...

IEEE 802.11 is part of the IEEE 802 set of local area network (LAN) technical standards, and specifies the set of medium access control (MAC) and physical...

Vertigo is a condition in which a person has the sensation that they are moving, or that objects around them are moving, when they are not. Often it feels...

Coal mining is the process of extracting coal from the ground or from a mine. Coal is valued for its energy content and since the 1880s has been widely...

Fermentation is a metabolic process that produces chemical changes in organic substances through the action of enzymes. In biochemistry, fermentation is...

The sweet potato (Ipomoea batatas) is a dicotyledonous plant that belongs to the bindweed or morning glory family, Convolvulaceae. Its large, starchy,...

The g-force or gravitational force equivalent is mass-specific force (force per unit mass), expressed in units of standard gravity (symbol g or g0, not...

Erwin Rudolf Josef Alexander Schrödinger ForMemRS HonMRIA (UK: /ˈʃrɜːdɪŋə, ˈʃroʊdɪŋə/, US: /ˈʃroʊdɪŋər/; German: [ˈɛɐ̯vɪn ˈʃʁøːdɪŋɐ]; 12 August 1887 –...