How does michio kaku establish the importance of allowing the public to access scientific research in "why no policeman on the block? "
a. by explaining residual paranoia from the cold war
b. by quoting hawthorne’s idea of an intelligent planet
c. by contrasting secret government projects with public successes
d. by describing the relationships between scientists and engineers

option C

Explanation:

''Many of the electronic marvels of today, including video conferencing, virtual reality, global positioning satellites and the internet, were largely developed in total secrecy by Pentagon scientists and kept hidden from the public...

Perhaps the lesson here is that science and technology advance and thrive in an open atmosphere, when scientists and engineers can freely interact''

The above is an ECXERTP from the book. And the first part talks about secrecy of government projects.

( C ) by contrasting secret government projects with public successes

Explanation:

ever since wwii tmthey always did hated each other.