When was the hourglass invented?

Answer The invention of the hourglass dates back to the mid-14th century. It is believed that the hourglass was used on ships to measure the speed and distance traveled while at sea. They are also known a... Read More »

Top Q&A For: When was the hourglass invented

Who invented the hourglass?

The precise inventor of the sand-filled hourglass is unknown, but it has been a commonly used device through ancient and even modern history.In ancient Egypt, Prince Amenemhet built his father King... Read More »

When was the hourglass first used?

The first hourglass was used in the early 1300's. The first evidence of the hourglass is a fresco by Ambrosio Lorenzetti, painted in 1338 in Italy. Claims that the Greeks were using hourglasses bef... Read More »

Who invented the bullet train and when was it invented?

Japan's "Bullet Train" was developed by Dr. Hideo Shima (1901 - 1998). Dr. Shima began investigations in 1948 and in 1958 it was decided to go ahead with a new line which followed the Tokaido road... Read More »

When was the first earbuds invented and who invented it?

I know this sounds weird but where the speaker is suck on it and try using it again