Most scientific inventions and discoveries are worthless and only waste time and money resources. To what extent do you agree or disagree? Give your own opinion

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Scientific inventions and discoveries are results of innumerable trials and research which incurs a lot of costs and
time
.
However
, it has been observed quite often that most scientific inventions are of no worth. In contradiction of the above, I disagree that most scientific inventions and discoveries are a waste of money and
time
. Though, they have helped humans in every best way possible in each sphere of life. Examples NASA's discovery of water on MARS has helped to prepare a life for the future.
Invention
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The invention
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of Vaccines against severe diseases or viruses is a real boon for mankind. Lighting bulb has decreased people's hours of
sleeping
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sleep
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.
Initially
, when
b
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the
a
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ulb was not invented, people used to sleep for 10 hours a day. Scientific inventions and discoveries have always supported
the
Remove the article
apply
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mankind either in a materialistic way of life or in the field of health and medicine. Researchers are
also
working on reducing costs and managing timeliness. Government has
also
planned to restrict researches or inventions only on the things which are worth spending
time
and money on.
Therefore
, in my opinion
Add the comma(s)
,
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scientific inventions never goes waste. It will be useful but it's just
the
Change the article
a
show examples
matter of
time
and requirement.
Submitted by zain7086 on

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