TellMeWhy

A wonderful and marvelous collection of answers to intriguing questions everyone ask about the world covering almost every subject, from science and history to art, language, mathematics, technology, and homeschooling

what is a sailing vessel
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What Is a Sailing Vessel?

A sailing vessel is a ship that the wind powers, using sails. The earliest sailing ships were reed craft that people used in Mesopotamia…

who discovered radioactivity
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Who Discovered Radioactivity?

Radioactivity is the act of emitting radiation spontaneously. French scientist, Henri Becquerel discovered radioactivity in 1896. Henri Becquerel, found that a lump of uranium…