# 5: In Roman numerals, it is okay to say IIII instead of IV as the number four
Ancient Romans used these both numerals to represent four, sometimes in the same document too! Even though “IV” is the standard numeral, both are correct.
# 6: A Hollywood actress invented the technology behind wifi and GPS
You go, girl! Hedy Lamarr was an actress known for her movies like Samson and Delilah, but she loved experimenting engineering. During the World War II, she worked with the composer George Antheil and created a system for a radio frequency that was intended to prevent the jamming of radio-targeted torpedoes. This system was further used very significantly for the invention of modern wireless technology.
# 7: The first ever vending machine in the world was used to dish out holy water
Bet you didn’t know this one! The vending machine was invented by Hero of Alexandria in 1st Century AD and it was used to dispense holy water, which would pour out into a vessel after a coin was inserted into it.
# 8: Bicycles fit into a group of vehicles known as “velocipedes”
Velocipedes? What are they, right? Velocipede is a term given to vehicles that are powered by humans with one or more wheels. Of these, bicycles are the most common.
