Popular Science
The average person's smartphone usage statistics
by chm

The average person spends approximately 2 hours and 22 minutes on their smartphone every day. In 2017, there were over 2.8 million apps available for download on the App Store. The average person has 33 apps installed on their smartphone. ApproximatelThe average person spends more time using apps than they do watching television. The average person checks their smartphone 46 times per day.

Aug 14 293
charles mccrory phd thesis
by chm

The article discusses interesting facts about red blood cells (RBCs), including their average lifespan, production rate, and hemoglobin content. It also describes erythropoiesis, the process by which RBCs are continuously replenished, and explains how anemia can develop if there is a problem with this process.

Aug 13 156
caltech
by chm

Caltech is a world-renowned university specializing in science and engineering, located in Pasadena, California. It has produced numerous Nobel Prize winners and is home to the Jet Propulsion Laboratory. Admission to Caltech is highly competitive, with over 20,000 applications each year.

Aug 13 225
amazon
by chm

1. Amazon is the largest Internet retailer in the world, founded in 1994 by Jeff Bezos. 2. Amazon operates in over 30 countries and has over 400,000 employees. 3. Amazon sells over 12 million products and is the second most valuable company in the world.

Aug 13 190
ik
by chm

Although there are some significant differences between humans and robots, the latter are becoming more and more sophisticated and are playing an important role in our society.

Aug 13 196
A Brief History of Silicon Chips and Computers
by chm

The first silicon chip was invented in 1947, and the first computer using silicon chips was built in 1953. The first microprocessor was invented in 1971, and the first personal computer using a micro processor was the Apple I, introduced in 1976. The first commercially successful personal computer was the Commodore 64, introduced in 1982, and the first smartphone was the Simon, introduced in 1992.

Aug 13 249
Six interesting facts about the history of technology
by chm

These are six interesting facts about the history of technology. The first personal computer was invented in 1971, the first microprocessor in 1971, the first video game in 1972, the first cell phone in 1973, the first email in 1971, and the first website in 1991.

Aug 13 215
6 fascinating facts about the world around us
by chm

The human brain is maturing earlier now than at any other point in history, the average person checks their phone 46 times per day, people can have different blood types, the first successful powered flight was made by the Wright brothers, the canola plant was developed in Canada, and Mount Everest is the tallest mountain in the world.

Aug 12 200