or ‘thx’ (thanks). ‘Thanks’ or ‘many thanks’ is, seemingly, a polite way to sign off an email or letter. Put a full stop at the end, however, and suddenly it’s abrupt and can sound ...

Few sounds are as recognizable as the THX Deep Note. [Batuhan] did some research, and set about recreating the sound. The original Deep Note (mp3 link) was created in 1982 by [Dr. James A.