| NIKOLATESLA | Inventor of an A.C. motor and transformer, X-ray technology, and a vacuum tube amplifier: 2 wds. |
| ALAN | Scientist Hart who pioneered X-ray technology for medical testing |
| HOOVER | A US president and a vacuum cleaner (6) |
| PENTODE | Tube amplifier with five active components |
| ITDOESNOTMATTER | Start of an A/C installer's remark |
| BOMBAYDUCT | Part of an A/C system in colonial India? |
| DUCT | Part of an A.C. system |
| CRT | A vacuum tube in which a hot cathode emits a beam of electrons that pass through a high voltage anod |
| NE | A colorless odorless gaseous element that give a red glow in a vacuum tube. |
| WEASEL | Furtive mustelid whose supposed ability to suck the contents out of an A"uf without breaking its shell gave rise to a term for equivocal or evasive words, used to reduce the force of a concept being e |
| DAMIENHIRST | This English assemblagist, painter, and conceptual artist creates deliberately provocative art that addresses vanitas and beauty, death and rebirth, and medicine, technology, and mortality. His platin |
| DIGITALDIVIDE | It separates those with access to technology and those without, and a feature of four answers in this puzzle |
| ABCS | While it's a bit of an A to Z, it's more to do with a subject's first principles (1,1,1,1) |
| WINNIETHEPOOH | Ursine star of an A.A. Milne series of books |
| ISADORA | American dancer and free thinker who met her death in Paris in 1927 dragged under the wheels of an a |
| NEON | Element that gives a red glow in a vacuum tube (4) |
| LUCAS | Australian actress who starred in Home and Away and Transformers: Revenge of the Fallen, Isabel - (5) |
| TESLA | Engineer noted for his invention of the first AC motor and work on highfrequencies and vibrations (5) |
| ALLCLEAR | A couple of lines with Large Earl in motor and things are ok! (3,5) |
| STARSTUFF | Dust, in a cosmic sense (or, qualities of an A-listers?) |