Comments by "spaceflight101" (@spaceflight1019) on "Sabine Hossenfelder" channel.

@karidrgn No, the asteroid impact that killed off the dinosaurs set off a nuclear winter that removed the food sources.
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@dallasburgess5329 Geology records the environmental conditions throughout the history of the world. For example, a thin layer of iridium tells the story about what killed the dinosaurs off some 65 million years ago.
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Consider Ouamaumau. Approximately the same size as the Battlestar Galactica or a Star Destroyer it used its impulse drive to get far enough out of range of our sensors before engagement of its FTL drive. Our best sensors weren't able to identify it beyond a "rock", albeit a rock whose motions defied conventional physics as we know them. If the "rock" used a drive based on gravity we have nothing that can detect the disturbance in spacetime caused by it. The first step in humanity's collective wisdom is to admit that we're only reading the preface to the universe's "how it works" manual. We know enough to destroy ourselves. The question is if we will.
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@justincase5272 Begone! Logic, reasoning, and factual research have no place in a topic ruled by emotion! (LOL)
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@mahadevparmekar2565 Remember this: neanderthals lived in harmony with the environment for 250,000 years before losing out to anatomically modern humans.
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@ChrisDMReloaded You should watch the video of "Batman vs. Predator". The conversation about masks between the Joker and Batman is memorable.
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 @Lund.J It's really a simple concept. Consider this...by inverting gravity the apparent mass of a starship becomes less than that of a single photon.
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50 years ago, a visit to my school by a local DJ convinced me that my future was not in broadcasting. When I discovered industrial instrumentation and process controls in 1978 I ran with it, made a good living for 43 years, and got to go to places and work on everything from CB radios to the space shuttle.
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Ok. Time is an artificial human construct and is based upon motion. If you didn't have time, you wouldn't have "rate", like gallons per hour. Time, like the universe itself, is an ever-expanding "bubble". We live on the leading edge of the bubble. There is no "future" because it hasn't happened yet. There is a "past" because it has already happened.
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They don't want to listen to geologists because the record of the rocks can't be altered to fit the narrative and agenda.
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@mahadevparmekar2565 So, we should abandon technology and wait for an asteroid to take us out? The current theory is that Neanderthals coexisted with the AMH until about 40,000 years ago. It's theorized that disease was the major cause, but no matter what, one truth looms large: Neanderthals failed to advance, and forfeited the right to exist to a species that did advance. It's also theorized that they didn't develop language skills, but the facts are that there are a ton of guesses and no hard evidence. Neanderthals left cave drawings; AMH left pyramids and hieroglyphics.
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The leaders of the BRIC countries are marveling at how easily a lie and misconception are dismantling Western civilization.
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@russmarkham2197 The problem is that not much is known about the early solar system. While Earth has a magnetic field, and it's believed that Mars had a stronger magnetic field in the past, Venus is the outlier because it doesn't have a magnetic field yet the solar wind is unable to push the atmosphere away from the planet.
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@Alondro77 Ever watch "Alien: Covenant", especially the part where they discovered the planet? Their scanner detected the planet's magnetic field, which is a necessity for Earthlike conditions to exist. It's speculated that Mars had a magnetic field strong enough to prevent the solar wind from scouring the atmosphere, and the weakening of the field led to the loss of the atmosphere.
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@Alondro77 I don't care about the movie; what I liked was the depiction of the planet's magnetic field and it's relationship to the planet being able to support human life. While the atmosphere of Venus mimics a magnetic field there's no way that life as we know it could exist there.
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Whatever happened to Honda's ASIMO? A fleet of them should be exploring the Moon.
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Marvel is all over the Multiverse.
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So, for those who believe that we live in the Matrix, is AI a creation of the machines, that will deceive us, or is it a creation of the humans that will fight the machines with us?
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"If you take the blue pill..."
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 @carminedesanto6746 Sounds like the Matrix.
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Every fusion generator in nature has a gravity well at its heart. It takes enough gravity to squeeze atoms together and make them start swapping components to get the reaction started and the cold of space to balance it out. Sorry, but Doc Ock is fictional. Physics deals with reality.
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