Unusual radar image Thursday afternoon speculated as chaff
When aircraft release chaff, it creates a cloud of tiny metal strips that reflect radar signals. This makes it hard for ...
PC Magazine5y
chaff and winnow
A privacy technique that is simpler than encrypting a message with a key. Chaff is the unusable part of a plant, and winnow means to separate the chaff so it can be discarded. Thus, chaff is sent ...