The Tech Terms is to make computer terminology easy to understand. While definitions of computer terms can be helpful, explanations with examples are even better. Therefore, most definitions include real-life examples of how the term is used.
Some terms in the Tech Terms Computer Dictionary are commonly used and have definitions that are easy to understand.
Others are less common and their definitions include more advanced terminology.
Blu-ray
Blu-ray is an optical disc format such as CD and DVD. It was developed for recording and playing back high-definition (HD) video and for storing large amounts of data. While a CD can hold 700 MB of data and a basic DVD can hold 4.7 GB of data, a single Blu-ray disc can hold up to 25 GB of data. Even a double sided, dual layer DVD (which are not common) can only hold 17 GB of data. Dual-layer Blu-ray discs will be able to store 50 GB of data. That is equivalent to 4 hours of HDTV.
Blu-ray discs can hold more information than other optical media because of the blue lasers the drives use. The laser is actually blue-violet, but "Blu-ray" rolls off the tounge a little easier than "Blu-violet-ray." The blue-violet laser has a shorter wavelength than the red lasers used for CDs and DVDs (405nm compared to 650nm). This allows the laser to focus on a smaller area, which makes it possible to cram significantly more data on a disc the same size as a CD or DVD. Proponents of the Blu-ray format say they expect Blu-ray devices to replace VCRs (thank goodness) and DVD recorders as more people make the transition to HDTV
This is a fun cache great for beginners but fun for all
Please make sure to place the cache back into the exact same spot
may be a little easy to find but I tried hard to make it fun to find.
As always, PLEASE EXERCISE STEALTH. 
Please bring your own pen.
CONGRATULATION FOR FTF TOauyantepuy