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In the "Dedication" section in the beginning of Larry Niven's "The Ringworld Engineers", Niven writes:

Freeman Dyson (Freeman Dyson!) has no trouble believing in the Ringworld (!), but can't see why the engineers wouldn't have built a lot of little ones instead. Wouldn't it be safer. I hope the answer I've given in this book is satisfactory.

I read the book but I don't understand what is the answer. What is Niven talking about? What answer does the book give to this question?

In the dedication section in the beginning of Larry Niven's "The Ringworld Engineers", Niven writes:

Freeman Dyson (Freeman Dyson!) has no trouble believing in the Ringworld (!), but can't see why the engineers wouldn't have built a lot of little ones instead. Wouldn't it be safer. I hope the answer I've given in this book is satisfactory.

I read the book but I don't understand what is the answer. What is Niven talking about? What answer does the book give to this question?

In the "Dedication" section in the beginning of the Larry Niven's "The Ringworld Engineers", Niven writes:

Freeman Dyson (Freeman Dyson!) has no trouble believing in the Ringworld (!), but can't see why the engineers wouldn't have built a lot of little ones instead. Wouldn't it be safer. I hope the answer I've given in this book is satisfactory.

I read the book but I don't understand what is the answer. What is Niven talking about? What answer does the book give to this question?

In the "Dedication" section in the beginning of Larry Niven's "The Ringworld Engineers", Niven writes:

Freeman Dyson (Freeman Dyson!) has no trouble believing in the Ringworld (!), but can't see why the engineers wouldn't have built a lot of little ones instead. Wouldn't it be safer. I hope the answer I've given in this book is satisfactory.

I read the book but I don't understand what is the answer. What is Niven talking about? What answer does the book give to this question?