SEFs Through the Looking Glass

Mike Hisler, co-founder and head of CDS at Javelin

The opening scene of Through the Looking-Glass, Lewis Carroll’s 1844 sequel to Alice’s Adventures in Wonderland, finds Alice crawling through the mirror above her fireplace to discover on the other side a book of poetry, entitled Jabberwocky, the text of which is written entirely in reverse. Alice eventually solves this puzzle by holding the book up to the mirror—whereupon she finds that, while perfectly readable, the language of the poetry makes no sense.

In the agonizingly slow run-up to centr