#938 How does autofocus work?
How does autofocus work? Active autofocus works by calculating the distance to the object and passive autofocus works by using contrast sensors to analyze the image. How does a camera…
How does autofocus work? Active autofocus works by calculating the distance to the object and passive autofocus works by using contrast sensors to analyze the image. How does a camera…
How do polar bears find enough food? By having an exceptional sense of smell, a lot of patience, and a very efficient digestion. Polar bears are the largest bear species…
How deep is the desert? Depending on the desert, the sand is between 1 m and 43 m deep. Although, if you count to the top of the largest sand…
When did people start using passports? The idea for the modern passport was introduced by the League of Nations in 1920, shortly after the end of World War 1. It…
Where did stoicism come from? It was invented in Athens in 300 BC, by Zeno of Citium (modern day Cyprus). Stoicism is a philosophy that seems to enjoying a revival…
Was Robin Hood real? Probably not, but the legend could have been based on a real person. Robin Hood has been made famous by the many movies that have been…
How many countries are nuclear powers? There are 9 countries that have nuclear weapons. They are the United States, Russia, China, France, the United Kingdom, Pakistan, India, Israel, and North…
How does anthrax kill? Anthrax is an infection caused by a bacterium called Bacillus anthracis. Because it is a bacterial infection, it can be treated with antibiotics if it is…
Why is there an obelisk in Rome? There is more than one and the Romans took them from Egypt as a show of power. During the Roman Empire, 50 obelisks…
What is impressionism? It was a style of art where the artist was trying to capture an impression of the moment. Claude Monet is probably the most famous impressionist, and…