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Steven Schneider
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Steven Schneider

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Has #AdamSmith been misunderstood by the #Left and misappropriated by the #Right?
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Steven Schneider

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I remember reading about nuclear propulsion systems when I was a kid in various reference and science fiction books. I'm honestly surprised that we don't have anything in production and flying around like this in space at this very moment.

Project NERVA and Project Prometheus (Nuclear Thermal Rocket)

The propulsion system described here, while based on nuclear, is vastly different than the one the Orion Project would use. Where the Orion Project (Nuclear Pulse Rocket) used external nuclear explosions to propel the spacecraft, internal nuclear reactors in NTRs superheat a light gas, such as hydrogen, and eject it out at extreme velocities to achieve thrust.

While the thrust and impulse of an NTR is not as high a NPR, they're still higher than that from a chemical rocket. An NTR generates twice the thrust of a chemical rocket while using much less propellent to do so. A side benefit is that the reactor would not only provide the heat to power the rocket, but would power the ship's electrical system. In fact, the electricity could also be used to power auxiliary ion thrusters for maneuvering where delicacy is required or the exhaust of an NTR might prove problematic.

Many private and national space agency are seriously looking at NTRs to improve spacecraft efficiency and range. The Prometheus Project is NASA's plan to send a mission to Mars however, a quick survey of the web reveals whom else is working on this advanced technology.

If we can survive war, our own excesses or some natural disaster doesn't take us out first I strongly suspect, though honestly this is not an incredible feat, NTRs and probably NPRs to be the dominate forms of propulsion in the decades to come.

#ProjectNERVA #ProjectPrometheus #NuclearThermal #NuclearPropulsion #SpaceExploration

https://www.youtube.com/watch?v=b18HtG0DOC

http://trajectory.grc.nasa.gov/projects/ntp/index.shtml
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Steven Schneider

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If we're planning a trip to Mars perhaps it's time to reconsider a spacecraft propelled by nuclear explosions. It could be assembled and launched from space. Ionic or chemical thrusters would move the vehicle into high orbit or further before ignition of its nuclear propellant. Further, equipped with landing craft, the main craft itself would avoid having to be aerodynamic and would be constructed around structural soundness and protecting and sustaining its human payload.

That's not all! The craft could carry a higher complement of personnel on the trip and their necessary food, equipment and other stores. As for the trip, it would be much shorter which would reduce the amount of time the crew is exposed to radiation in space and less food would be consumed getting the crew there. Since there is enormous thrust produced by nuclear propulsion the design could also afford better shielding.

The technology has already been developed and even provisionally tested. We know it works. If we're serious about manned interplanetary exploration, then we seriously have to consider nuclear.

#Orion #Nuclear #Fission #Fusion #Uranium #Deuterium #SpaceExploration #Mars
Project Orion: Its Life, Death, and Possible Rebirth. Michael Flora. The race to the moon, in the forms of Project Apollo and the still-shadowy Soviet lunarprogram, dominated manned space flight during the decade of the 1960's. In the United States, the project sequence Mercury-Gemini-Apollo ...
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Steven Schneider

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Dr. Hansen forgot to mention that the #revenue from a #CarbonTax should be used toward the building and R&D of #CleanEnergy technologies so the benefits of the tax are immediately apparent.

#ClimateChange #Nuclear #Renewables

// I suggest, Mr. Buffett, that your Ark will need to include two fundamental timbers. And unless the public understands these basic matters, it will be difficult to achieve a vessel for salvation.

First, there will need to be an across-the-board gradually rising carbon fee or tax. This is the underpinning needed to provide incentive for rapid innovation and investment. Without this fee, fossil fuels continue to appear to be cheap to the consumer, as their price does not include their costs to society arising from air pollution, water pollution, and climate change.

Second, these funds should not be grabbed by the government or used to fund politicians’ favorite subsidies, which would depress the economy. Economic studies show that a revenue-neutral carbon fee stimulates the economy and creates jobs. Returning all funds to the public garners wide public support, helping avoid later overturning by subsequent political leaders.//
Dear Mr. Buffett, As America's most revered businessman and investor, you have a singular opportunity for good. When you speak, millions listen. And...
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Steven Schneider

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Is using a #NuclearReactor to build an #AtomicBomb possible? Sure, but highly unlikely due to the way #NuclearFuel is utilized and the nature of the #fissile products themselves. Similarly for the much spoke-of #DirtyBomb.

#NuclearEnergy #NuclearBomb

//The mechanism for generating fear with nuclear fantasies has much in common with a horror film; the scariest monster is the one you can’t see. We are depressingly used to car bombs and barrel bombs and suicide bombers and machetes and dysfunctional societies with automatic weapons. We have a rational, reasonable and very well informed fear of them. But our fear of dirty bombs is based in stories woven from bizarre assumptions. And because these bombs only exist in our imaginations, people can say what they like about them.//
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Steven Schneider

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Why won't Katie aka #ModernAlternativeMama, who claims to know more about #vaccines than doctors debate one? She even goes so far to say that doctors only study vaccines for a whole of 45 minutes in their years of study or, worse, read about how great vaccines are in a pamphlet. Yet she won't put her money, ill-gotten to be sure, where her mouth is.

#WhyWontKatieDebate?
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Steven Schneider

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Any tax, including a #CarbonTax, is most successful when the use of the #revenue is specified. For example, visibily investing in the building out and R&D of #CleanEnergy technologies while declaring the construction of the technology came from said tax, makes the tax more palatable to the taxpayer.

#Nuclear #Renewables #CANClimateAction
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Steven Schneider

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I remember reading about nuclear propulsion systems when I was a kid in various reference and science fiction books. I'm honestly surprised that we don't have anything in production and flying around like this in space at this very moment.

Project Orion (Nuclear Pulse Rocket)

My suspicion is because nuclear bombs are used as the primary propellent. Yet these nuclear bombs are what make this sort of spacecraft so effective due to the combined high levels of thrust and exhaust velocities generated. Most of the science fiction accounts I've read have focused on fusion nuclear bombs, but our current technology would be fission nuclear bombs.

Are bombs used for anything good? Well, bombs are used to snuff out gas wells that have caught fire. Shaped charges are used to open compartments to free trapped people. I think that valid arguments that bombs do have peaceful uses as well exist, including nuclear bombs and Project Orion and the like are such arguments.

There are however, international treaties in place that ban any sort of nuclear bomb in space between the major space-faring and, at that time, cold-war nations. Fallout concerns from launching such a vessel from earth has also plagued the design, but even following the LNT model it's probable that this concern is largely misplaced. A big concern these days is the resultant EMP that a series of nuclear explosions close to earth could cause. Still Orion based designs are the only way to get a large payload into orbit from a single launch from the surface. These designs are also the fastest method we'd have to accelerate to a high enough cruising speed to make round trips to planets within our solar system in reasonable periods of time.

#ProjectOrion #NuclearPulse #NuclearPropulsion #SpaceExploration
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Steven Schneider

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Could enumerating all of your own failures make you more adjusted towards dealing with failure and moving forward?
Searching for a job requires the perfect résumé or CV , and there are countless online guides dedicated to CV-crafting that promise to get you to the second round of the hiring process. But if there's one thing you'd never do, it's list your...
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Steven Schneider

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The sordid tale of the #IARC and why they classificatied #glysophate as a #carcinogen.

#Roundup #cancer #GMOs #Monsanto #fearmongering #antiscience
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Steven Schneider

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Though we be but a small branch now, we have mighty power.
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Steven Schneider

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Evidently there's a rumors running around Facebook that Target is adding urinals to their bathrooms. I haven't personally seen this claim made on Facebook, but it's utter horsesh*t.
Has Target added urinals to a women’s restroom in California? That’s the claim in a Facebook post that’s been shared more than 14,000 times as of April 26, 2016, one week after the mega-retailer announced transgender customers are welcome to use bathrooms that match up with their gender identity at their stores nationwide. Target is the latest corporation to announce the policy, just as state legislatures have debated or approved so-called
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