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https://www.newsmax.com/politics/ufos-pentagon-elizondo-space/2021/03/23/id/1014833/ Well, how many are willing to bet more than a cup of...

We are going to have to replace gas boilers with electric heat pumps for domestic heating and hot water. Why do heat pumps use a refrigerant? ...

I think it would only be useful if it could be applied to everyone.

Will the Coalsack condense into a star cluster? Or is there some reason it can't?

If I understand, string theory says there may be about a dozen dimensions, most of which are imperceptible to humans. Is anyone considering, or has...

It seems the lunar surface is radioactive so could we have really landed on the moon and not have been aware of this fact?

What could you deduce from these night skies? To me, they look often like a view from the edge of a galaxy, or a world in an irregular galaxy....

Hi Folks: Another one that's stumping my wife and I. From Wikipedia: "The point at which tidal forces destroy an object or kill a person will...

Could we tell if this was in for the long haul?

I was reading an article about Biden's science budget proposal, and there is a section that reads: I have never seen the word "breakout" used...

https://cdn.cnn.com/cnnnext/dam/assets/210324132112-messier-87-polarisation-exlarge-169.jpg The polarized picture of the M87 is magnificent. Any...

This is pretty good. The return of "extinct" species: Lazarus taxons https://www.cbsnews.com/news/the-return-of-extinct-species/

What are hiccups for? How did they evolve?

At one time, not that long ago, the editing panel contained a strikethrough option; highlight a text string, select the icon, and voila, your text...

I haven't been able to find one larger than the first few light years. I am curious about the "stages" of interstellar colonisation we would...

I've just been looking a paper from Cornell University, written in January this year, about the quantities of SO2 (sulfur dioxide) and H2O (water...

https://newseu.cgtn.com/news/2021-04-12/Russia-celebrates-60th-anniversary-of-Yuri-Gagarin-space-mission-ZnNE17hijm/index.html Поехали!

I keep bottles of flavored carbonated water in my fridge. It is set at about half power. The water is cold but not unpleasantly so. Except one...

SpaceX just conducted its fourth high-altitude flight test with a Starship prototype (SN11). Once again, there was a slight explosion! The post...

Hi Folks: My wife walks in to the bedroom, looks at me, and says: So, when a sufficiently large star supernovas a black hole will form. That...

According to the wikipedia timeline of the far future, in 500 - 600 million years C3 photosynthesis will cease and approximately 99 percent of...

Will everything that we move from Earth to Mars effect Earth's thermodynamics negatively? If we are moving material from one planet to another what...

My cousin took me out to get new jeans. We were in a hurry, so we just bought 36s (the size on my jeans that I already have was 36). I fit in these...

Kind of a weird question but my thinking is that if gravity from a black hole traps light does that make gravity faster than light? Gravity from a...

A new study offers a new take on why 'Oumuamua could not have been an alien probe: a lack of motivation! The post Oumuamua Isn’t an Alien Probe,...

So, you want to create life? You’re going to need some ingredients first. On Earth four billion years ago, you might find some of those ingredients...

I've been looking for an answer, and haven't found one.