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Total solar eclipse 2024: Everything you need to know!
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B
bolide
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B
bolide
replied to the thread
If aliens had our life-hunting equipment, could they find us?
.
Funny that they don't say anything about radio emissions. Wouldn't Earth be bright across a wide electromagnetic spectrum, in a way that...
Mar 10, 2024
B
bolide
replied to the thread
Perseverance rover spots Ingenuity helicopter's snapped-off rotor blade on Mars (photos)
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"The blade was broken — and, still unforged, it's been found ... " Sounds like a quote from something. What's the allusion?
Mar 7, 2024
B
bolide
replied to the thread
A baby star's planet-forming disk has 3 times more water than all of Earth
.
When you consider the size of the disk of gas and dust that surrounds the infant star, compared to the size of the Earth, rather than...
Mar 6, 2024
B
bolide
replied to the thread
SETI searches for alien signals synchronized with supernova 1987A
.
Beat me to it. I was about to say, we are supposing that an extraterrestrial civilization sent out a message ... because ...... they saw...
Feb 23, 2024
B
bolide
reacted to
Unclear Engineer's post
in the thread
NASA to 'wiggle' broken Ingenuity Mars helicopter's blades to analyze damage
with
Like
.
Was there an actual analysis of the effects of a wingtip ring on the aerodynamics of the craft in the Martian atmosphere? The ring does...
Feb 20, 2024
B
bolide
replied to the thread
Geminid meteors may be 10 times older than thought, simulations of oddball asteroid Phaethon suggest
.
If a spinning body sheds mass, shouldn't conservation of angular momentum cause it to spin faster, rather than slowing down?
Feb 18, 2024
B
bolide
replied to the thread
NASA to 'wiggle' broken Ingenuity Mars helicopter's blades to analyze damage
.
Seems odd to think that it couldn't know its orientation to the surface, because the surface was flat.
Feb 11, 2024
B
bolide
replied to the thread
Cooling glass' could fight climate change by reflecting solar radiation back into space
.
Cost of materials is rarely a profit center. Money would be made on packaging and installing the product. Most likely not on the market...
Feb 8, 2024
B
bolide
reacted to
Helio's post
in the thread
Cooling glass' could fight climate change by reflecting solar radiation back into space
with
Like
.
FWIW, and per a few prior posts, IIRC, San Antonio has approved $30M to supply solar panels to also serve as shade for parking garages...
Feb 8, 2024
B
bolide
reacted to
Unclear Engineer's post
in the thread
Cooling glass' could fight climate change by reflecting solar radiation back into space
with
Like
.
Reading through the materials on the outside of the paywall, it seems as though the difference with this material is that it contains a...
Jan 28, 2024
B
bolide
replied to the thread
Cooling glass' could fight climate change by reflecting solar radiation back into space
.
Is this "common solution" actually in use, anywhere?
Jan 28, 2024
B
bolide
replied to the thread
Cooling glass' could fight climate change by reflecting solar radiation back into space
.
They get the same effect flying over any body of water, and it doesn't seem to be a problem.
Jan 28, 2024
B
bolide
reacted to
Questioner's post
in the thread
Cooling glass' could fight climate change by reflecting solar radiation back into space
with
Like
.
My thought is in temperate zones it might be good to have it on one side of louvers, that way it could reflect EM energy when you didn't...
Jan 18, 2024
B
bolide
replied to the thread
Cooling glass' could fight climate change by reflecting solar radiation back into space
.
Are there "existing variants" that reradiate in the infrared at that same wavelength?
Jan 18, 2024
B
bolide
replied to the thread
Cooling glass' could fight climate change by reflecting solar radiation back into space
.
There's the question of how the phosphor reradiates, and also what it reradiates. If what it absorbs (and reradiates) is infrared that...
Jan 18, 2024
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