Consumer & Gadgets

Google announces AI-boosted virtual meeting system

The coronavirus epidemic has brought virtually nothing other than misery, pain, fear and disruption. Though we may still be far off from the day we can close the book on this scourge, we are now inching towards what seems ...

Computer Sciences

Scientists create application for finding parking spaces

Computer vision and image recognition could solve the problem of a shortage of parking spaces in Chelyabinsk. As part of the work on the Smart City program, scientists from South Ural State University proposed using the already ...

Business

SoftBank Group selling Arm to NVIDIA for up to $40 billion

Japan's SoftBank Group said Monday it is selling British chip designer Arm to US firm NVIDIA for up to $40 billion, potentially creating a new giant in the industry but sparking an investigation by UK regulators and fears ...

Robotics

Robot takes contact-free measurements of patients' vital signs

During the current coronavirus pandemic, one of the riskiest parts of a health care worker's job is assessing people who have symptoms of COVID-19. Researchers from MIT and Brigham and Women's Hospital hope to reduce that ...

Consumer & Gadgets

DJI changes name, style of its smartphone gimbal

DJI, the drone and aerial photography tools company, has taken a radical redesign to its popular line of Osmo smartphone gimbals, adding in a new name as well, OM.

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Camera

A camera is a device that records images, either as a still photograph or as moving images known as videos or movies. The term comes from the camera obscura (Latin for "dark chamber"), an early mechanism of projecting images where an entire room functioned as a real-time imaging system; the modern camera evolved from the camera obscura.

Cameras may work with the light of the visible spectrum or with other portions of the electromagnetic spectrum. A camera generally consists of an enclosed hollow with an opening (aperture) at one end for light to enter, and a recording or viewing surface for capturing the light at the other end. A majority of cameras have a lens positioned in front of the camera's opening to gather the incoming light and focus all or part of the image on the recording surface. The diameter of the aperture is often controlled by a diaphragm mechanism, but some cameras have a fixed-size aperture.

A typical still camera takes one photo each time the user presses the shutter button. A typical movie camera continuously takes 24 film frames per second as long as the user holds down the shutter button.

This text uses material from Wikipedia, licensed under CC BY-SA