Popular Science
Silicon Valley: The World's Center for Tech Innovation
by chm

The Silicon Valley region in the United States is home to some of the world's largest tech companies, as well as many startup firms and venture capitalists. The area has the highest concentration of tech workers in the country, and is known for its expensive cost of living. The region is also home to a number of major universities.

Aug 14 210
Social Media Use Linked to Anxiety, Depression, and Other Mental Health Issues
by chm

1. Social media use is linked to anxiety, depression, and other mental health issues. 2. People who use smartphones for more than two hours a day are more likely to suffer from depression and anxiety. 3. Social media users are more likely to have poor sleep quality. 4. Social media users are more likely to have eating disorders. 5. Social media users are more likely to be obese. 6. Social media users are more likely to suffer from social anxiety.

Aug 14 423
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 14 440
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 13 191
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 13 270
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 13 226
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 13 227
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 13 368