The interactions between light and nitroaromatic hydrocarbon molecules have important implications for chemical processes in our atmosphere that can lead to smog and pollution. However, changes in molecular geometry due to interactions with light can be very difficult to measure because they occur at sub-Angstrom length scales and femtosecond time scales.
A small team of engineers and geophysicists from Northwestern University, the University of Chicago, and the University of Central Florida has found, via modeling, that creating millions of metal nanorods from material on the Martian surface and then blasting them into the atmosphere would be a more efficient way to heat the planet than generating greenhouse gases. Their paper is published in the journal Science Advances.
Science fiction writers have for many years envisioned a future when Mars is made habitable through terraforming techniques, allowing humans to survive without the need for special buildings and spacesuits. Recently, scientists have begun looking at the possibility, though most project ideas are far less ambitious.
Instead of completely transforming the planet, many are looking at simply warming it up a bit to make it more habitable. Most such ideas have centered on releasing greenhouse gases into the atmosphere to capture more heat from the sun. Unfortunately, there are few ingredients on the Martian surface that could be used to create and release such gases.
What does the future hold? What will become of this planet and its inhabitants in the centuries to come?
We are living in a historical period that sometimes feels like the prelude to something truly remarkable or terribly dire about to unfold.
This captivating video seeks to decipher the signs and attempt to construct plausible scenarios from the nearly nothing we hold in our hands today.
As always, it will be scientific discoveries leading the dance of change, while philosophers, writers, politicians, and all the others will have the seemingly trivial task of containing, describing, and guiding.
Before embarking on our journey through time, let me state the obvious: No one knows the future!
Numerous micro and macro factors could alter this trajectory—world wars, pandemics, unimaginable social shifts, or climate disasters.
Nevertheless, we’re setting off. And we’re doing so by discussing the remaining decades of the century we’re experiencing right now.
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DISCUSSIONS \& SOCIAL MEDIA
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Credits: Ron Miller, Mark A. Garlick / MarkGarlick.com, Elon Musk/SpaceX/ Flickr.
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00:00 Intro.
01:20 Artificial Intelligence.
02:40 2030 The ELT telescope.
03:20 2031 The International Space Station is deorbited.
04:05 2035 The cons.
04:45 2036 Humans landed on mars.
05:05 2037. The global population reaches 9 billion.
05:57 2038 2038. Airplane accident casualties = 0
06:20 Fusion power is nearing commercial availability.
07:01 2042 Supercomputers.
07:30 2045 turning point for human-artificial intelligence interactions.
08:58 2051 Establishment of the first permanent lunar base.
09:25 2067 The first generation of antimatter-powered spacecraft emerging.
10:07 2080 Autonomous vehicles dominate the streets.
10:35 2090 Religion is fading from European culture.
10:55 2099 Consideration of Mars terraforming.
11:28 22nd century Moon and Mars Settlements.
12:10 2,130 transhumanism.
12:41 2,132 world records are shattered.
12:57 2,137 a space elevator.
14:32 2,170 By this year, there are dozens of human settlements on the Moon.
15:18 2180
16:18 23rd century Immortality.
16:49 2,230 Hi-Tech and Automated Cities.
17:23 2,310 23rd Century: Virtual Reality and Immortality.
18:01 2,320 antimatter-powered propulsion.
18:40 2,500 Terraforming Mars Abandoned.
19:05 2,600 Plastic Cleanup.
19:25 2,800 Silent Probes.
19:37 3,100 Humanity as a Type 2 Civilization.
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#insanecuriosity #timelapseofthefuture #futuretime
Vast amounts of water found on Mars, but there’s a catch, Milky Way and Andromeda might not merge after all, a planet found before it gets destroyed, and an easier way to terraform Mars.
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00:00 Intro.
00:16 Water found on Mars.
02:55 Huge lake on Mars.
04:20 Terraforming Mars.
08:05 VIPER might be saved.
09:38 Milkdromeda might not be happening.
10:53 Vote results.
11:28 Planet on the verge of destruction.
13:09 New way of detecting supermassive black holes.
14:21 Vera Rubin’s secondary mirror.
15:40 More space news.
16:11 Livestreams and Q\&A
Host: Fraser Cain.
Could we store samples of Earth’s endangered biodiversity on the Moon for long-term preservation? This is what a recent study published in BioScience hopes to address as a team of researchers led by the Smithsonian Institution proposes how the Moon’s permanently shadowed regions (PSRs) located at the lunar north and south poles could be ideal locations for establishing a lunar biorepository where endangered species can be cryopreserved. This study holds the potential to safeguard Earth’s biodiversity from extinction while improving future space exploration and possible terraforming of other worlds.
“Initially, a lunar biorepository would target the most at-risk species on Earth today, but our ultimate goal would be to cryopreserve most species on Earth,” said Dr. Mary Hagedorn, who is a research cryobiologist at the Smithsonian National Zoo and Conservation Biology Institute and lead author of the study. “We hope that by sharing our vision, our group can find additional partners to expand the conversation, discuss threats and opportunities and conduct the necessary research and testing to make this biorepository a reality.”
The reason lunar PSRs are of interest for this proposal is due to several craters being completely devoid of sunlight from the Moon’s small axial tilt (6.7 degrees versus Earth’s 23.5 degrees). The team postulates this presents ample opportunity for storing several groups, including pollinators, threatened and endangered animals, culturally important species, and primary producers, just to name a few.
Mosses are among Earth’s great terraformers, turning barren rock into fertile soils, and now a team of scientists is proposing these non-vascular plants could do the same on Mars.
Whether we should introduce life from Earth onto our red neighbor is another question – we don’t have a great track record with this on our own planet.
But if we decide it’s worth messing with soil on Mars to create a second home for us Earthlings, ecologist Xiaoshuang Li and colleagues at the Chinese Academy of Sciences have a candidate that they think should do just the trick.
Could we identify an alien terraformed planet through the detection of greenhouse gases? This is what a recent study published in The Astrophysical Journal hopes to address as a team of international researchers investigated whether artificial greenhouse gases could be detected from an exoplanet whose alien inhabitants could be attempting to terraform that world, either from trying to control its climate or terraforming an uninhabitable planet into a habitable one. This study holds the potential to help scientists better understand the criteria and methods for identifying an extraterrestrial civilization, especially with the number of confirmed exoplanets increasing almost weekly.
“For us, these gases are bad because we don’t want to increase warming” said Dr. Edward Schwieterman, who is an Assistant Professor of Astrobiology at the University of California Riverside and lead author of the study. “But they’d be good for a civilization that perhaps wanted to forestall an impending ice age or terraform an otherwise-uninhabitable planet in their system, as humans have proposed for Mars.”
In order to terraform new planets, we will need to be able transport entire ecologies & ecosystems through interstellar space in the future. Today we will examine how we could build and maintain such environments inside vast arks, generations ships able to colonize our galaxy, and the challenges these starships will face maintaining not just stores of DNA and genetic material but living organisms which depend heavily on other members of their species and other species to survive and thrive, not least of which is human ourselves. Visit our sponsor, Brilliant: https://brilliant.org/IsaacArthur/ Join this channel to get access to perks: / @isaacarthursfia Visit our Website: http://www.isaacarthur.net Join Nebula: https://go.nebula.tv/isaacarthur Support us on Patreon:
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/ exporting-earth-ships-narration-only Credits: Exporting Earth Episode 150, Season 4 E36 Writers: Isaac Arthur Editors: Darius Said Gregory Leal https://www.gregschool.org/ Jerry Guern Konstantin Sokerin Laura Graham Mark Warburton Matthew Acker Sigmund Kopperud Stuart Graham https://beyondnerva.wordpress.com Producer: Isaac Arthur Cover Artist: Jakub Grygier https://www.artstation.com/jakub_grygier Graphics Team: Darth Biomech https://www.artstation.com/darth_biomech Fishy Tree https://www.deviantart.com/fishytree/ Jarred Eagley Jeremy Jozwik https://www.artstation.com/zeuxis_of_… Katie Byrne Ken York
/ ydvisual Krisitijan Tavcar https://www.miragedereve.com LegionTech Studios Sam McNamara Sergio Boterio https://www.artstation.com/sboterod?f… Narrator: Isaac Arthur Music Manager: Luca DeRosa — lucaderosa2@live.com Music: Dracovallis, “Golden Meadows” https://dracovallis.bandcamp.com/ NJ Mandaville, “Intrumental Background 1”
/ nj-mandaville Kevin Macleod, “Infinite Wonder”
/ @incompetech_kmac Chris Zabriskie, “Candlepower” http://chriszabriskie.com Kai Engel, “Endless Story About Sun and Moon” https://www.kai-engel.com/ Lombus, “Amino” https://lombus.bandcamp.com Aerium, “Windmill Forests”
/ @officialaerium Epic Mountain, “Rising Sky”
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