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What did Alfred Vail invent and why did he invent it?
what did Obama invent
What did Louis w Roberts invent?
Roberts helped to invent the microwave, but did not invent it by himself.
What did William Armstrong invent?
What did William armstrong invent ????????
What did William gillbert invent?
what did William gilbet invent
What did Richard Arkwright invent and when did he invent it?
because of inportance
Who was the first to use coloured alcohol in a thermometer?
Olaus Roemer
What did Olaus Roemer discover about light?
Olaus Roemer discovered the finite speed of light in the late 17th century. He observed that the time it took for light to travel from Jupiter to Earth varied as the distance between the two planets changed, leading him to calculate a rough estimate of the speed of light. This discovery laid the foundation for later, more precise measurements of the speed of light.
Who were the persons were mesured speed of light?
It was the Danish astronomer, Olaus Roemer, who, in 1676, first successfully measured the speed of light. His method was based on observations of the eclipses of the moons of Jupiter (by Jupiter).
When did Olaus Arvesen die?
Olaus Arvesen died in 1917.
When was Olaus Arvesen born?
Olaus Arvesen was born in 1830.
When did Olaus Islandsmoen die?
Olaus Islandsmoen died in 1949.
When was Olaus Islandsmoen born?
Olaus Islandsmoen was born in 1873.
When was Olaus Petri born?
Olaus Petri was born in 1493.
When did Olaus Petri die?
Olaus Petri died in 1552.
When did Olaus Laurentii die?
Olaus Laurentii died in 1438.
When was Olaus Alvestad born?
Olaus Alvestad was born in 1866.
When did Olaus Alvestad die?
Olaus Alvestad died in 1903.
