Answer 1:
It is not easy to know "who invented the
numbers on the clock". The way to measure time has
existed since many years ago, but before the
Middle Ages, only a small portion of the
population was able to read and write, so probably
they could not read the numbers on a clock as we
do it nowadays.
The first clocks similar to the ones we have
today had Roman numbers on their faces, but these
numbers were replaced by the Arabic numbers that
we use in our clocks today (1 to 12). The Roman
numbers originated in ancient Rome, approximately
1000BC.
Looking at the history of timekeeping devices,
we can notice that the first mechanical clocks,
were invented in Europe at around the start of the
14th century, and they they had Roman numbers on
their faces. So, we could say that it was around
this time that the numbers on the clock were
"invented" if we think of clock faces similar to
the ones we use nowadays.
Wikipedia has a interesting article on this
topic, you can read it or you can ask for help
from your teacher, from ScienceLine, or from a
grown up, in order to enjoy the article
here.
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