Slavery operated in the first civilizations (such as Sumer in Mesopotamia, which dates back as far as 3500 BC). Slavery features in the Mesopotamian Code of Hammurabi (c. 1860 BCE), which refers to it as an established institution. What created … Continue reading →

Ray Tomlinson. #1. The first electronic mail was sent in 1971 by Ray Tomlinson (Source). Tomlinson was a programmer working on applications for MIT’s Arpanet project (essentially the start of what we know today as the internet.) Who created first … Continue reading →

In response, in the past year governments in Bangladesh, the Democratic Republic of Congo, Egypt, India, Indonesia, Iran, Iraq, Sudan, Myanmar and Zimbabwe shut down the internet in all or some parts of their countries—perhaps with the hope that doing … Continue reading →

1.4 trillion photos. As the pandemic’s impact eases, Rise Above Research predicts the global number will rebound to 1.4 trillion photos in 2021. How many pictures are taken in a year? They’re interested in photos as well, and conducted some … Continue reading →

This report released earlier this year points out that there are 5.2 Billion mobile phones on the planet for a population of 4.3 Billion users (yes, some people have multiple phones). 83% of all phones have cameras. The survey cites … Continue reading →

Private lines, virtual private networks (VPNs), multiprotocol label switching (MPLS), wireless networks, cellular networks, and the internet allow LANs and other types of networks in different geographical regions to communicate and transmit data. What are the 7 types of network? … Continue reading →

LAN, MAN, and WAN are the three major types of networks designed to operate over the area they cover. What are basic types of network? Personal Area Network (PAN) Local Area Network (LAN) Wireless Local Area Network (WLAN) Campus Area … Continue reading →

Is Bytedance a publicly-traded company? No, ByteDance is still privately held, meaning its shares are not available on the stock market yet. Is ByteDance a publicly traded company? ByteDance, the China-based parent company of TikTok, isn’t going public. Will ByteDance … Continue reading →

A 3+1 CCTV cable have 1 Video Cable and 3 other cables which is used for power, audio in and audio out. In 4+1 CCTV Cable there is 1 Video Cable and 4 other cable which can be used in … Continue reading →

Secure In Dark Times: Top 6 Night Vision Cameras Yi home camera. This one here has proved to be excellent in recording footage with utmost clarity during times of broad daylight and during times when there is no light at … Continue reading →

A single-lens reflex camera (SLR) is a camera that typically uses a mirror and prism system (hence “reflex” from the mirror’s reflection) that permits the photographer to view through the lens and see exactly what will be captured. What is … Continue reading →

Grip Salary While salary is dependent on experience, working conditions (budget, location, hours of work, union status), a 2019 report from Career Trend found that an average salary for grips is $30,000, while dolly grips earn between $200 and $300 … Continue reading →

Hardware and software sensors Sensors can be hardware- or software-based. Hardware-based sensors are physical components built into a handset or tablet device.The proximity sensor and step counter sensors are examples of software-based sensors. What is a sensor software? Soft sensor … Continue reading →

Most outdoor motion detector light sensors are designed to see anywhere from 50–80 feet. What is the range of a motion sensor light switch? Leviton IPS02-1LW Decora Motion Sensor In-Wall Switch The time delay for the auto-off feature is also … Continue reading →

This photo, simply titled, “View from the Window at Le Gras,” is said to be the world’s earliest surviving photograph. And it was almost lost forever. It was taken by Nic?phore Ni?pce in a commune in France called Saint-Loup-de-Varennes somewhere … Continue reading →