Complex sentence: Compared to underground detectors like Super-Kamiokande in Japan, AMANDA is capable of looking at higher energy neutrinos because it is not limited in volume to a manmade tank; however, it has much less accuracy because of the less controlled conditions and wider spacing of photomultiplers.
Split into simpler sentences: Compared to underground detectors like Super-Kamiokande in Japan, AMANDA is capable of looking at higher energy neutrinos because it is not limited in volume to a man-made tank. However, it has much less accuracy due to the less controlled conditions and wider spacing of photomultiplers.