Oxford Mathematics Student Lectures: An Introduction to Complex Numbers - Vicky Neale
M-Disc is a more robust form of writable DVD and Blu-Ray media for making longer-lasting archives and backups. Here I look at M-Disc hardware, test compatitbility, and perform an intensive data retention test to see if M-Discs really do last longer than traditional optical media.
A few weeks ago we have visited a PCB manufacturing company called PCBWay , this video will be all about PCB manufacturing process.I have learned a lot from them hope you also learn something.
Xiaomi smartphone manufacturing process in the factory