imagining what the city might look like fifty to a hundred years into the future, he pictured "fires on the hill" and thought about his son. if we write  as ,  as  and  as , where , our equation turns into . by 1975 some 24,000 acres (9,700 ha.) the ants the ants are an army of red ants who steal food as they see them. he writes "instead of arguing continually over this point, it is usual to have a polite convention that everyone thinks". 