<p>The Pentagon's pursuit of a new kind of nonnuclear super-weapon has sparked a behind-the-scenes revolt among its elite scientific advisers, some of whom reject the scheme as pseudoscience.</p>
<p>The military's goal is to develop a bomb that might be far more powerful than existing conventional weapons of the same size. Precisely targeted, such a weapon could take out targets -- such as underground caverns that conceal weapons of mass destruction -- without posing the severe political risks of using nuclear bombs.</p>