A guitalele is a hybrid of a classic guitar and a ukulele. It sports a size equal to 1/4 of a classical acoustic guitar, along with all the tonal possibilities of a ukulele.
DTA stands for Digital Transport Adapter. It's an inexpensive and very basic digital cable device that allows you to watch all Limited Basic and Expanded Service channels that were migrated from analog to digital (Usually the first 99 channels). DTAs will not receive premium channels such as HBO, Showtime, etc.
EGTA (ethylene glycol-bis(Î²-aminoethyl ether)-N,N,N',N'-tetraacetic acid) is an aminopolycarboxylic acid, a chelating agent. It is a colourless solid that is related to the better known EDTA. Compared to EDTA, it has a lower affinity for magnesium, making it more selective for calcium ions.