A horse blanket has a back portion and side portions that extend down from the back portion. In a general embodiment, the flow battery includes an electrochemical cell including an anode portion, a cathode portion and a separator disposed between the anode portion and the cathode portion. Application in particular to ultra-short pulse neutron generation. Discovery directives are used to coordinate the execution of information providers. The adhesion among the layers is improved without providing any particular adhesive layers among the intermediate layer having a function such as gas barrier property and the inner and outer layers, and, besides, transparency is improved.