Engineers demonstrate new process that 'hides' data in natural heat radiation, creating a covert communications method that is almost impossible to intercept or hack
第二百六十条 除合同另有约定外，被保险人应当在合同订立后立即支付保险费；被保险人支付保险费前，保险人可以拒绝签发保险单证。。PDF资料对此有专业解读
Any host application can define its own capabilities with whatever functions make sense for the domain.。关于这个话题，新收录的资料提供了深入分析
Why are there huge protests going on in Iran?