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The Woman Whose Invention Helped Win a War — and Still Baffles Weathermen | Innovation| Smithsonian Magazine
![Window-foil strips (chaff) used to jam German radar, Lincolnshire Aviation Heritage Museum, East Kirkby, Spilsby, Lincs, UK Stock Photo - Alamy Window-foil strips (chaff) used to jam German radar, Lincolnshire Aviation Heritage Museum, East Kirkby, Spilsby, Lincs, UK Stock Photo - Alamy](https://c8.alamy.com/comp/2DCNM08/window-foil-strips-chaff-used-to-jam-german-radar-lincolnshire-aviation-heritage-museum-east-kirkby-spilsby-lincs-uk-2DCNM08.jpg)
Window-foil strips (chaff) used to jam German radar, Lincolnshire Aviation Heritage Museum, East Kirkby, Spilsby, Lincs, UK Stock Photo - Alamy
![ToughSF on Twitter: ""For radar guided missiles, especially old pulse-doppler radars, you can also do very rapid deceleration to break lock, but that's a lot harder to do with AESA. IR Chaff ToughSF on Twitter: ""For radar guided missiles, especially old pulse-doppler radars, you can also do very rapid deceleration to break lock, but that's a lot harder to do with AESA. IR Chaff](https://pbs.twimg.com/media/DfbQAFcXcAAMzp5.jpg)