Raghavan, Neeraja
(2009)
Did scientists ever err?
Learning Curve (12).
pp. 39-40.
Abstract
It is said that while testing the right material for the
filament of the bulb, Thomas Edison had to try
thousands of different filaments to select the right
materials to glow well and be long-lasting. Eventually,
he hit upon the right one. When asked by a
news reporter how it felt to fail thousands of times
before he finally succeeded, he replied: “I did not
fail even once! My experiment simply had thousands
of steps.” With examples like the above serving as a launch pad,
the teacher can move on to exciting classroom
processes, which will undoubtedly provide rich
learning experiences for both the teacher as well as
the taught.
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