Renaissance Inventions: cuckoo clock and near-sighted lenses
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PRESENTATION OUTLINE
WHAT DOES EACH INVENTION DO?
- Cuckoo clock: a clock that strikes the hour with a sound like a cuckoo's call and typically has a mechanical cuckoo that emerges with each note
- Near-sighted lenses: diverging lenses that diverges light before it reaches the eye
Photo by polomex
WHO INVENTED IT?
- Cuckoo clock: Franz Anton Ketterer (1676-1749)
- Near-eyed lenses: probably Nicholas of Cusa (1401-1464)
WHERE/WHEN WAS THE INVENTION INVENTED?
- Cuckoo clock: Germany (Black Forest) in 1738
- Near-sighted lenses: Roman Empire in 1451
Photo by brantleydavidson
WHY WAS IT INVENTED?
- Cuckoo clock: there was really no reason for its invention, it was a new style of clocks
- Near-sighted lenses: Nicholas was near-sighted himself, so he created concaved lenses for himself and others who had poor eyesight
HOW DID THE INVENTION CHANGE OUR WAY OF LIFE?
- Cuckoo clock: it was a clock that alerted the people that a new hour started
- Near-sighted lenses: glasses help people with vision problems see better while reading and their daily life
Photo by GabeB
IS THE INVENTION STILL IN USE TODAY?
- Cuckoo clocks: yes
- Near-sighted lenses: yes
HOW MUCH DID THE INVENTION COST THEN/NOW?
- Cuckoo clocks: cost back then is unknown, now it ranges between $70 to $200 (original Black Forest)
- Near-sighted lenses: cost then is also unknown, now can cost roughly between $100 to $1000
Photo by eltpics
DID THESE INVENTIONS LEAD TO OTHER IVENTIONS?
- Cuckoo clock: no
- Near-sighted lenses: lead to the advancement of frames for glasses and contacts
