| TRANSISTOR | This device, invented by Bell Telephone Labs in 1948, changed the world of electronics forever, allo |
| ALEXANDER | - Graham Bell, telephone inventor (9) |
| USWEST | Denver-based "Baby Bell" telephone company until 2000 |
| JENNY | The female of the donkey; or, linked with spinning for a device invented by weaver James Hargreaves in 1770 (5) |
| DAVYLAMP | Miner's safety device invented by the discoverer of elements including barium, magnesium and potassium (4,4) |
| SUSTAIN | The prolongation of a musical note by means of electronics or the right pedal on a piano, for example (7) |
| UNIX | Family of computer operating systems developed at Bell Labs in the 1970s (4) |
| ZHOU | Key figure in what Nixon called "the week that changed the world" |
| PBS | Nonprofit TV network that co-produced the 2023 documentary series "Fight the Power: How Hip Hop Changed the World" |
| COD | Mark Kurlansky book subtitled "A Biography of the Fish That Changed the World" |
| PRINTINGPRESS | Device invented by Johannes Gutenberg in the fifteenth century |
| SPINNINGJENNY | Revolutionary device invented by James Hargreaves in the 1760s (8,5) |
| MIRRORS | Items used along with coloured glass pieces inside the device invented by physicist Sir David Brewst |
| GYROSCOPE | Device invented by Leon Foucault consisting of a spinning wheel on an axle |
| CATSEYE | Road marking safety device invented by Percy Shaw in 1933 (4,3) |
| LOUIE | When repeated, #5 on Rolling Stone's 2007 list of "40 Songs That Changed the World" |
| TAPERECORDER | Telegraphone was the original name of which reproduction device, invented in 1898? (4,8) |
| ELEVATOR | Transportation device invented by Elisha Otis in 1852 (8) |
| FAXMACHINE | Communication device invented by Alexander Bain in 1846 (3,7) |
| SPINNING | - jenny; hand-powered, multi-spindle device invented by weaver James Hargreaves (8) |
