What is cache? The cache is a memory which carries the copy of the original data. So, whenever the same data is searched over time, and again, the data is picked from the cache and not from the main system memory. Different types of cache are disk cache, server cache, browser cache, database cache, etc.
When you visit a webpage for the first time, your computer requests the DNS server to translate the domain to its IP address. The computer stores this mapping locally as a temporary database. This temporary database is called a DNS cache. You can flush DNS cache by 'ipconfig /flushdns’ command on windows
Yes, it is safe to swim while you on periods. Period blood doesn't flow outside the vagina like it usually does due to the counter-pressure of the water. But You still need to wear some a tampon or a menstrual cup to avoid getting into a sticky situation.
Resin tooth filling typically contains a filler particle such as quartz, which provides the mixture's strength and color. It is costly as compared to silver tooth filling.
In some cases, the change in period blood color can indicate a health problem like fibroids, low estrogen levels, and even vaginosis.