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Archive for the ‘engineering’ category: Page 244

Feb 20, 2013

ATLAS — Watchmen To The Hour That The Sky Falls In

Posted by in categories: asteroid/comet impacts, defense, engineering, events, space

With the recent meteor explosion over Russia coincident with the safe-passing of asteroid 2012 DA14, and an expectant spectacular approach by comet ISON due towards the end of 2013, one could suggest that the Year of the Snake is one where we should look to the skies and consider our long term safeguard against rocks from space.

Indeed, following the near ‘double whammy’ last week, where a 15 meter meteor caught us by surprise and caused extensive damage and injury in central Russia, while the larger anticipated 50 meter asteroid swept to within just 27,000 km of Earth, media reported an immediate response from astronomers with plans to create state-of-the-art detection systems to give warning of incoming asteroids and meteoroids. Concerns can be abated.
ATLAS, the Advanced Terrestrial-Impact Last Alert System is due to begin operations in 2015, and expects to give a one-week warning for a small asteroid – called “a city killer” – and three weeks for a larger “county killer” — providing time for evacuation of risk areas.

Deep Space Industries (a US Company), which is preparing to launch a series of small spacecraft later this decade aimed at surveying nearby asteroids for mining opportunities, could also be used to monitor smaller difficult-to-detect objects that threaten to strike Earth.

However — despite ISON doom-merchants — we are already in relatively safe hands. The SENTRY MONITORING SYSTEM maintains a Sentry Risk Table of possible future Earth impact events, typically tracking objects 50 meters or larger — none of which are currently expected to hit Earth. Other sources will tell you that comet ISON is not expected to pass any closer than 0.42 AU (63,000,000 km) from Earth — though it should still provide spectacular viewing in our night skies come December 2013. A recently trending threat, 140-metre wide asteroid AG5 was given just a 1-in-625 chance of hitting Earth in February 2040, though more recent measurements have reduced this risk to almost nil. The Torino Scale is currently used to rate the risk category of asteroid and comet impacts on a scale of 0 (no hazard) to 10 (globally-impacting certain collisions). At present, almost all known asteroids and comets are categorized as level 0 on this scale (AG5 was temporarily categorized at level 1 until recent measurements, and 2007 VK184, a 130 meter asteroid due for approach circa 2048–2057 is the only currently listed one categorized at level 1 or more).

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Feb 8, 2013

Machine Morality: a Survey of Thought and a Hint of Harbinger

Posted by in categories: biological, biotech/medical, engineering, ethics, evolution, existential risks, futurism, homo sapiens, human trajectories, robotics/AI, singularity, supercomputing

KILL.THE.ROBOTS
The Golden Rule is Not for Toasters

Simplistically nutshelled, talking about machine morality is picking apart whether or not we’ll someday have to be nice to machines or demand that they be nice to us.

Well, it’s always a good time to address human & machine morality vis-à-vis both the engineering and philosophical issues intrinsic to the qualification and validation of non-biological intelligence and/or consciousness that, if manifested, would wholly justify consideration thereof.

Uhh… yep!

But, whether at run-on sentence dorkville or any other tech forum, right from the jump one should know that a single voice rapping about machine morality is bound to get hung up in and blinded by its own perspective, e.g., splitting hairs to decide who or what deserves moral treatment (if a definition of that can even be nailed down), or perhaps yet another justification for the standard intellectual cul de sac:
“Why bother, it’s never going to happen.“
That’s tired and lame.

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Jan 27, 2013

AIAA Rocky Mountain — Sentinel Program

Posted by in categories: asteroid/comet impacts, business, defense, education, engineering, events, physics, space

For those in Colorado who are interested in attending a talk by John Troeltzsch, Sentinel Ball Program Manager, Ball Aerospace & Technologies Corp. please R.S.V.P Chris Zeller (czeller@ball.com) by Tuesday, 26 February 2013 for badge access. US citizenship required.

6:00 pm Thursday, February 28th 2013
6:00 pm Social, 6:30 pm Program
Ball Aerospace Boulder Campus RA7 Conference Room
1600 Commerce St
Boulder, CO 80301

It will be good to see you there.

About the Talk:
The inner solar system is populated with a half million asteroids larger than the one that struck Tunguska and yet we’ve identified and mapped only about one percent of these asteroids to date.

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Jan 13, 2013

Water, Bombs, WE CAN GO NOW

Posted by in categories: asteroid/comet impacts, biotech/medical, business, defense, economics, education, engineering, ethics, existential risks, military, nuclear energy, nuclear weapons, policy, space, transparency

I was recently accused on another blog of repeating a defeatist mantra.

My “mantra” has always been WE CAN GO NOW. The solutions are crystal clear to anyone who takes a survey of the available technology. What blinds people is their unwillingness to accept the cost of making it happen.
There is no cheap.

Paul Gilster comments on his blog Centauri Dreams, concerning Radiation, Alzheimer’s Disease and Fermi;

“Neurological damage from human missions to deep space — and the study goes no further than the relatively close Mars — would obviously affect our planning and create serious payload constraints given the need for what might have to be massive shielding.”

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Jan 3, 2013

Explaining Space Travel

Posted by in categories: asteroid/comet impacts, biological, defense, engineering, ethics, existential risks, finance, geopolitics, habitats, military, nuclear energy, nuclear weapons, space, transparency

I recently posted this on the only two other sites that will allow me to express my opinions;

I see the problem as one of self similarity; trying to go cheap being the downfall of all these schemes to work around human physiology.

When I first became interested in space travel several years ago I would comment on a couple blogs and find myself constantly arguing with private space proponents- and saying over and over again, “there is no cheap.” I was finally excommunicated from that bunch and banned from posting. They would start calling me an idiot and other insults and when I tried to return the favor the moderator would block my replies. The person who runs those two sites works for a firm promoting space tourism- go figure.

The problem is that while the aerospace industry made some money off the space program as an outgrowth of the military industrial complex, it soon became clear that spaceships are hard money- they have to work. The example of this is the outrage over the Apollo 1 fire and subsequent oversight of contractors- a practice which disappeared after Apollo and resulted in the Space Shuttle being such a poor design. A portion of the shuttle development money reportedly went under the table into the B-1 bomber program; how much we will never know. Swing wings are not easy to build which is why you do not see it anymore; cuts into profits.

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Jan 1, 2013

Gravity Modification – What Went Wrong?

Posted by in categories: business, chemistry, defense, education, engineering, physics, policy, scientific freedom, space, transparency

Recently, I met Josh Hopkins of Lockheed’s Advanced Programs, AIAA Rocky Mountain Region’s First Annual Technical Symposium (RMATS), October 26, 2012. Josh was the keynote speaker at this RMATS. Here is his presentation. After his presentation we talked outside the conference hall. I told him about my book, and was surprised when he said that two groups had failed to reproduce Podkletnov’s work. I knew one group had but a second? As we parted we said we’d keep in touch. But you know how life is, it has the habit of getting in the way of exciting research, and we lost touch.

About two weeks ago, I remembered, that Josh had said that he would provide some information on the second group that had failed to reproduce Podkletnov’s work. I sent him an email, and was very pleased to hear back from him and that the group’s finding had been published under the title “Gravity Modification by High-Temperature Semiconductors”. The authors were C. Woods, S. Cooke, J. Helme & C. Caldwell. Their paper was published in the 37th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, 8–11 July 2001, Salt Lake City, Utah. I bought a copy for the AIAA archives, and read it, reread it, and reread it.

Then I found a third team they published their lack of findings “Gravity Modification Experiments Using a Rotating Superconducting Disk and Radio Frequency Fields”. The authors were G. Hathaway, B. Cleveland and Y. Bao. Published in Physica C, 2003.

Both papers focused on attempting to build a correct superconducting disc. At least Wood et al said “the tests have not fulfilled the specified conditions for a gravity effect”. The single most difficult thing to do was to build a bilayered superconducting disc. Woods et al tried very hard to do so. Reading through Hathaway et all paper suggest that they too had similar difficulties. Photo shows a sample disc from Woods’ team. Observe the crack in the middle.

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Jan 1, 2013

2012 was Great and may 2013 be Extraordinary

Posted by in categories: business, education, engineering, ethics, fun, human trajectories, lifeboat, media & arts, open access, open source, policy, scientific freedom, space, transparency

May peace break into your home and may thieves come to steal your debts.
May the pockets of your jeans become a magnet for $100 bills.
May love stick to your face like Vaseline and may laughter assault your lips!
May happiness slap you across the face and may your tears be that of joy
May the problems you had, forget your home address!

In simple words .….….……May 2013 be EXTRAORDINARY … the best year of your life!!! Simply the best New Year greeting anyone has sent to me. This was from Robert White of Extraordinary People.

This morning I checked the Lifeboat stats for 2012. When I started blogging for Lifeboat at the end of July, we ended July 2012 with 42,771 unique visitors. We closed 2012 with 90,920 unique visitors for the month December. Wow! Our blogging has become more relevant, and more thought provoking. As a community of bloggers (with the exception of one) we have moved away from the 3 Cs of pseudoscience. Clouding the field. Confusing the public’s perception. Chasing away talent.

How did we do this? By backing up our discussions with hard facts, robust debate and real numbers. From years if not decades of investigation in our field of research. By speaking from our own unique experience. By sharing that unique experience with our readers.

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Dec 30, 2012

Gravity Modification – New Tools

Posted by in categories: business, cosmology, defense, education, engineering, general relativity, particle physics, philosophy, physics, policy, space

To understand why gravity modification is not yet a reality, let’s analyze other fundamental discoveries/inventions that changed our civilization or at least the substantially changed the process of discovery. There are several that come to mind, the atomic bomb, heavier than air manned flight, the light bulb, personal computers, and protein folding. There are many other examples but these are sufficient to illustrate what it takes. Before we start, we have to understand four important and related concepts.

(1) Clusters or business clusters, first proposed by Harvard prof. Michael Porter, “a business cluster is a geographic concentration of interconnected businesses, suppliers, and associated institutions in a particular field. Clusters are considered to increase the productivity with which companies can compete, nationally and globally”. Toyota City which predates Porter’s proposal, comes to mind. China’s 12 new cities come to mind, and yes there are pro and cons.

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Dec 28, 2012

Forty Tons of Plutonium for Bomb Propulsion?

Posted by in categories: defense, engineering, existential risks, military, nuclear energy, nuclear weapons, space

http://news.yahoo.com/nowhere-japans-growing-plutonium-stockpile-064038796.html

A half century after being developed, nuclear pulse propulsion remains the only practical system of interplanetary travel. What is required to launch a bomb propelled mission to the outer solar system? Well, first you need.…..bombs.

There is no shortage of bomb material on planet Earth. The problem is lack of a vehicle that can get this material to the nearest place a nuclear mission can be launched; the Moon. For over a quarter of a century a launch vehicle capable of sending significant payloads (and people) to the Moon has been lacking. The Space Transportation System, aka the space shuttle, was a dead end as far as exploration due to the lack of funding for a Sidemount cargo version.

Now we wait on the SLS.

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Dec 27, 2012

Gravity Modification – What is it?

Posted by in categories: cosmology, defense, economics, engineering, general relativity, particle physics, physics, policy, space

OK, why do we need a different technology to achieve commercial viability (as in mass space tourism) for either interplanetary or interstellar travel?

In many of my previous posts I had shown that all the currently proposed technologies or technologies to be, are either phenomenally expensive (on the order of several multiples of World GDP), bordering on the impossible or just plain conjecture. This is very unfortunate, as I was hoping that some of the proposals would at least appear realistic, but no joy. I feel very sorry for those who are funding these projects. For a refresher I have posted an updated version of the Interstellar Challenge Matrix (ICM) here which documents 5 of the 11 inconsistencies in modern physics. I give permission to my readers to use this material for non-commercial or academic uses.

I recently completed the 12-year study into the theoretical & technological feasibility of gravity modification published under the title An Introduction to Gravity Modification, 2nd Edition. For the very first time we now have a scientific definition for gravity modification:

Gravity modification is defined as the modification of the strength and/or direction of the gravitational acceleration without the use of mass as the primary source of this modification, in local space time. It consists of field modulation and field vectoring. Field modulation is the ability to attenuate or amplify a force field. Field vectoring is the ability to change the direction of this force field.

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