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...in electronics|linear filters in general|Linear filter|electronic filters in general|Electronic filter}} {{Short description|Filter used in signal processing on continuous-time signals}} ...

...[https://books.google.com/books?id=whc4AAAAMAAJ&pg=PT5 digitized version] in [[Google Books]].</ref>]] ...radiation]], radioactive substances such as [[radon]] and [[radium]] found in the environment, and the potential health hazards of non-ionizing radiation ...

| caption = Dent in 1928 | alt = Black and white picture of Beryl May Dent, taken in 1928, seated front row, from a group photograph of the other staff (not sho ...

...47.jpg|alt=|thumb|[[Leonardo da Vinci|Leonardo]] wrote aerodynamic studies in a notebook eventually titled <nowiki>''</nowiki>[[Codex on the Flight of Bi ...reospecific Polymerization: A revolution in polymer synthesis has occurred in the last decade. |journal=Science |date=14 August 1964 |volume=145 |issue=3 ...