Toggle light / dark theme

SpaceX Will Try Its Next Rocket Landing on Solid Ground

Following two failed landings at sea, the next Falcon 9 rocket will attempt to touch down at Cape Canaveral.

After SpaceX’s Falcon 9 rocket returns to flight later this month, the company will try to land the first stage booster back on solid ground, according to NASA officials. If successful, it would mark not only the first successful landing and recovery of the company’s flagship rocket, but also the first terrestrial rocket landing for SpaceX after two failed landing attempts at sea.

The launch—which could come as soon as December 15, though a flight plan has not been confirmed by the U.S. Air Force—marks a big next step for SpaceX. The mission will be the company’s first since a June launch in which an unmanned Falcon 9 bound for the International Space Station broke apart mid-flight. The landing attempt will also follow the successful launch and landing of a reusable rocket by rival spaceflight company Blue Origin last week.

Read more

SpaceX Will Attempt Next Rocket Landing At Cape Canaveral Instead Of In The Ocean

Next time a SpaceX rocket touches down, it will be on solid ground.

Florida Today broke the news today that SpaceX was hoping to land its next Falcon 9 rocket on the ground at NASA’s Cape Canaveral facility in Florida.

SpaceX has attempted to land a rocket gently before, but those attempts were made on giant floating platforms in the ocean (which just missed). Then, last week, competitor Blue Origin managed to land it’s own reusable rocket safely on the ground, amping up the public pressure on SpaceX to successfully land their own rocket.

Read more

Will NASA Ever Send Astronauts To Pluto?

With its nitrogen-dominated atmosphere and water-rich icy surface, Pluto seems much more hospitable than even the most sanguine planetary scientists would have wagered a decade ago. But could it ever play host to an Antarctic-styled research station?

That is, as a base to routinely house researcher/astronauts out to give humans a foothold in the outer reaches of our solar system?

“The notion of a Pluto base figures prominently in the anime ‘Star Blazers’ from my childhood, so it’d be wonderful if there were a good reason for it,” said Gerard van Belle, a research astronomer at Lowell Observatory in Flagstaff, Az., where Clyde Tombaugh discovered the diminutive dwarf planet some 85 years ago.

Read more

David Eagleman: Can a Computer Simulate Consciousness?

Yes, conceivably. And if/when we achieve the levels of technology necessary for simulation, the universe will become our playground. Eagleman’s latest book is “The Brain: The Story of You” (http://goo.gl/2IgDRb).

Follow Big Think here:
YouTube: http://goo.gl/CPTsV5
Facebook: https://www.facebook.com/BigThinkdotcom
Twitter: https://twitter.com/bigthink

Transcript — The big picture in modern neuroscience is that you are the sum total of all the pieces and parts of your brain. It’s a vastly complicated network of neurons, almost 100 billion neurons, each of which has 10,000 connections to its neighbors. So we’re talking a thousand trillion neurons. It’s a system of such complexity that it bankrupts our language. But, fundamentally it’s only three pounds and we’ve got it cornered and it’s right there and it’s a physical system.

The computational hypothesis of brain function suggests that the physical wetware isn’t the stuff that matters. It’s what are the algorithms that are running on top of the wetware. In other words: What is the brain actually doing? What’s it implementing software-wise that matters? Hypothetically we should be able to take the physical stuff of the brain and reproduce what it’s doing. In other words, reproduce its software on other substrates. So we could take your brain and reproduce it out of beer cans and tennis balls and it would still run just fine. And if we said hey, “How are you feeling in there?” This beer can/tennis ball machine would say “Oh, I’m feeling fine. It’s a little cold, whatever.”

It’s also hypothetically a possibility that we could copy your brain and reproduce it in silica, which means on a computer at zeroes and ones, actually run the simulation of your brain. The challenges of reproducing a brain can’t be underestimated. It would take something like a zettabyte of computational capacity to run a simulation of a human brain. And that is the entire computational capacity of our planet right now.

There’s a lot of debate about whether we’ll get to a simulation of the human brain in 50 years or 500 years, but those would probably be the bounds. It’s going to happen somewhere in there. It opens up the whole universe for us because, you know, these meat puppets that we come to the table with aren’t any good for interstellar travel. But if we could, you know, put you on a flash drive or whatever the equivalent of that is a century from now and launch you into outer space and your consciousness could be there, that could get us to other solar systems and other galaxies. We will really be entering an era of post-humanism or trans-humanism at that point.

‘Electric Sails’ Could Propel Superfast Spacecraft

SANTA CLARA, California — Robotic spacecraft may ride the solar wind toward interstellar space at unprecedented speeds a decade or so from now.

Researchers are developing an “electric sail” (e-sail) propulsion system that would harness the solar wind, the stream of protons, electrons and other charged particles that flows outward from the sun at more than 1 million mph (1.6 million kilometers per hour).

“It looks really, really promising for ultra-deep-space exploration,” Les Johnson, of NASA’s Marshall Space Flight Center in Huntsville, Alabama, said of the e-sail concept here at the 100-Year Starship Symposium on Oct. 30. [Superfast Spacecraft Propulsion Concepts (Images)].

Read more