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Who built the first steam locomotive?

“Richard Trevithick built the first full-scale working steam locomotive, which ran on a track in Wales in 1804.”

Reference: Science Museum Group

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1) Nickel Cadmium (Ni-Cd) batteries were the standard technology for years, but are now out of date.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.

Did the ancient Greeks have a steam engine?

Hero of Alexandria described the aeolipile, a spinning steam-powered device, in the first century AD, but it was treated as a curiosity rather than a machine for work.

What is the longest flight caused by a propane explosion?

A railroad tanker car carrying propane traveled over 3,000 feet when it exploded during a train wreck in Illinois, sheering off a steel tower in it's path. It's the longest flight on record for a propane explosion.

Another fact

“Richard Trevithick built the first full-scale working steam locomotive, which ran on a track in Wales in 1804.”

More from this shelf

What are the different types of laptop batteries?

Did the ancient Greeks have a steam engine?

What is the longest flight caused by a propane explosion?