BLACK HOLE
This is a small step in taking a pic of black hole, but a huge leap in human history. It is wonderful It is a little bit blur, but beautiful. Few question pop into my mind, what is beyond black-hole?…
Thinking after infiniti 0.9 equals to 1
I recently come across a video proofing about infiti 0.9 equals to 1, in which i couldn not say agree or not to agree. I feel there is something missing in this. That leads me to keep thinking. We all…