Abstract
Devices such as detectors, optical components, polarized-neutron techniques, and software are all key technologies for neutron science. Good devices are indispensable to improving the quality of the experiments that we conduct every day, and to keep measuring times short. However, this represents only a small part of the need for new device development. The real aim of the device development programs is to push forward the frontier of neutron science. The device development programs are the foundation of such movement.