TTYT stands for "talk to you tomorrow".
Answer:
Satyajit Ray (1921–1992), a Bengali film director from India, is well known for his contributions to Bengali literature. He created two of the most famous characters in Feluda the sleuth, and Professor Shonku the scientist. He wrote several short novels and stories in addition to those based on these two characters. His fiction was targeted mainly at younger readers (mostly teenagers) , though it became popular among children and adults alike.

Ray during recording of his film Pather Panchali
Most of his novels and stories in Bengali have been published by Ananda Publishers, Kolkata; and most of his screenplays have been published in Bengali in the literary journal Ekshan, edited by his close friend Nirmalya Acharya. During the mid-1990s, Ray's film essays and an anthology of short stories were also published in the West. Many of the stories have been translated into English and published.
The answer is a Scanning Electron Microscope
It is important to obtain and prepare proper samples when using SEM. The sample’s size, state, and shape are things that should be considered before the sample preparation. Some samples need to be coated. Most metals require no preparation since they can easily conduct electricity. Non-metals, however, needs to be coated with a thin layer of gold. Gold is the ideal non-metal and works most of the times.
The best thing to do when an error message appears when it is not supposed to, as in if you are blocked by an administrator and it appears then its supposed to, it is best to contact someone who can investigate whether or not something is happening to your computer. That could be a parent, if they are good with computers, or just tech support at a store, provided they also know computers. Most of the time your computer just makes a mistake so nothing to worry about, but make sure to have it checked just to be sure.
there are many styles of coding think about it like art if you had 15 painters working on the same 4x4 painting it would look like a mess.
-scav