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What was the first scheduled airline?

“The first scheduled commercial airline was the St. Petersburg-Tampa Airboat Line in Florida, which started flying passengers across Tampa Bay in 1914.”

Reference: Smithsonian National Air and Space Museum

What are the different types of laptop batteries?

There are currently three types of batteries commonly used to run people's laptops:
1) Nickel Cadmium (Ni-Cd) batteries were the standard technology for years, but are now out of date.

2) Nickel Metal Hydride (Ni-MH) batteries are a cadmium-free replacement for Nickel Cadmium.
3) Lithium Ion (Li-ion) is the battery you want for your laptop and is the current standard for portable power.

What is the "blackbox" recorder for?

An airplane's "blackbox"' is a device which records conditions and events on an air vessel. A "blackbox" is actually orange in color to make it more visible in the wreckage.

How many people use the internet?

About 5.5 billion people, roughly two-thirds of the world's population, use the internet, according to the International Telecommunication Union.

Another fact

“The first scheduled commercial airline was the St. Petersburg-Tampa Airboat Line in Florida, which started flying passengers across Tampa Bay in 1914.”

More from this shelf

What are the different types of laptop batteries?

What is the "blackbox" recorder for?

How many people use the internet?