Shadowgraph

The shadowgraph was one of Nikola Tesla's inventions, whose name he included in his prototype of a word search game grid. (NOTVALID: Nikola Tesla's Word Search of Wonder)
== Behind the scenes ==
* In the real world, the historical Nikola Tesla used the word "shadowgraphies" to refer to X-ray images of the human body, which he was among the first to take.
Category:Non-DWU technology