One way to inform personnel was a series of intricate and stylistic slides. Different series outlined ... he writes about history, shipwrecks, and the military’s hunt for unidentified anomalous ...

The Vault is Slate’s history blog. Like us on Facebook ... In the silent film era, these colorized lantern slides were the equivalent of previews or trailers, alerting the audience to the ...

The sound of slides clacking is deafening. But it doesn’t matter, because the champagne is flowing and the sound system is loud. The 2,500 dignitaries and VIPs in the audience are being treated ...