PeroK's latest activity
-
PeroK replied to the thread Alien life, probabilities, and interstellar propagation of human life.The real problem is that if you think there must be numerous advanced civilizations in the Milky Way, then how many are there... -
PeroK replied to the thread Introduction: Non-physicist with speculative questions.First, if you post your personal theory, then the thread will be deleted, as per the forum rules. Second, we get several people like... -
PeroK reacted to mr3000's post in the thread Alien life, probabilities, and interstellar propagation of human life with
Like.
https://en.wikipedia.org/wiki/Last_universal_common_ancestor -
PeroK reacted to Mark44's post in the thread Undergrad Ambiguity of the term "indefinite integral" with
Like.
Again, this is nothing more than one part of the Fundamental Theorem of Calculus. Most textbooks will take pains to include an... -
PeroK replied to the thread Alien life, probabilities, and interstellar propagation of human life.It's possible that all life on Earth is descended from a common ancestor. Although, it may have arisen several times. You could start... -
PeroK replied to the thread Why Are You Still Here? A Curious Question.Looking for a job. -
PeroK replied to the thread Alien life, probabilities, and interstellar propagation of human life.Yes, that's possible. Professor David Kipling has some lectures and videos on this. For example: -
PeroK replied to the thread Paul Hinds has passed.First V50 and now Phinds. Sad news indeed. -
PeroK replied to the thread Undergrad Ambiguity of the term "indefinite integral".The indefinite integral is an equivalence class of antiderivatives. The integral ##\int_a^x f(t) dt## is a function of ##x##. Or, a... -
PeroK replied to the thread Incredible Difference in Ant Sizes."How did he die doc?" "Any one of five ways. His skull was fractured, his chest was crushed, his neck and back were broken, and he had... -
PeroK reacted to Office_Shredder's post in the thread Undergrad My basic understanding of set theory with
Like.
A countable union of countable sets is countable. This means when you say hey I've got infinity infinities, that's gotta be a bigger...