TM 11-662 Basic Theory and Application of Electron Tubes 1955-11-08. Introduction 1 1 Importance to communication 2 1 Early experimenters 3 2 Tube types 4 4 Tube functions 5 5 Summary 6 8 Review ...

For decades, ferromagnetic materials have driven technologies like magnetic hard drives, magnetic random access memories and ...

A sneeze. Ocean currents. Smoke. What do these have in common? They're instances of turbulence: unpredictable, chaotic, ...

Piezoelectric materials have attracted considerable attention over the last two decades because many technologies utilize their core properties of piezoelectric materials. Previous applications ...

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This paper studies radial magnetic forces developed in permanent magnet motors having rotor eccentricity. Such forces represent the source of magnetically induced vibration in a disk-spindle assembly, ...

The 2017-2027 Decadal Survey for Earth Science and Applications from Space (ESAS 2017) will help shape science priorities and guide agency investments into the next decade. The survey, sponsored by ...