Tag Archives: Science Fiction

John Lennox and Paul Davies discuss aliens and the origin of life

An amazing debate about the origin of life and the cosmic fine-tuning between a Christian and a materialist agnostic. John Lennox is AWESOME in this debate, and he only talks for a tiny part of the debate. He’s very gracious, and focused the discussion on the areas that we care about. Paul Davies is an EXCELLENT scientist and well aware of what Christians believe. This is a great debate, very easy to listen to. Justin, the moderator, does a great job controlling a fantastic discussion.

The MP3 file is here.

Details

What does it take for life to get going in our universe? Is there intelligence in the stars or right under our nose? Renowned astrophysicist Paul Davies chats to Oxford Professor of Mathematics John Lennox.

A popular science author, Davies is also the Chair of the SETI post detection task force. His latest book “The Eerie Silence” which marks SETI’s 50th anniversary examines the likelihood of the universe producing life elsewhere.

John Lennox is a Christian Mathematician and philosopher. He is the author of “God’s Undertaker: has science buried God?” and has debated Richard Dawkins on several occasions.

Davies’ work on the fine tuning of the universe for life has been sympathetic to theism. In this programme Lennox challenges Davies to look to design not just in cosmology but in the cell. They also chat about what the discovery of ET would mean for Christian theology.

Summary

Justin:

  • Is there meaning in the universe?

Paul:

  • We have no evidence for or against intelligent life elsewhere in the universe
  • The vastness of the universe makes me think there is life elsewhere
  • Humans are capable of observing and understanding the universe
  • It seems the universe has the ability to create observers to understand it
  • If one species has this ability, then we should expect others to do it

John:

  • The fact that we can observe the universe and do science has cosmic significance
  • Our rare habitable planet and our ability to do science is suggestive of purpose
  • So science itself points to an extra-terrestrial intelligence: GOD
  • The complexity of life and consciousness itself points away from atheism
  • Monotheism gave birth to science
  • Human minds capable of doing science are not compatible with atheistic materialism

Justin:

  • Why do you say that either we are the only life or there are many different kinds of life?

Paul:

  • There are lots of factors that have to be met to have a site for simple life
  • These are related to the fine-tuning of cosmic constants, e.g. gravitational force
  • But there are also factors that have to be met for originating intelligent life
  • Things like convergence, self-organization, etc.
  • So the cosmic requirements and evolutionary requirements are different
  • Darwinian evolution doesn’t solve the problem of the origin of life
  • 50 years ago, skepticism about alien life existing anywhere was excessive
  • Today, credulity about alien life exiting everywhere is excessive
  • The naturalist is searching for a process that creates life easily

John:

  • Paul agrees that there is no theory for a naturalistic origin of life
  • This is fatal for the idea that life can emerge elsewhere in the universe
  • We have not discovered any law that produces life without an intelligence
  • Consider the method used by SETI used to detect an alien intelligence
  • Why can’t this method be applied to the origin of life on Earth?
  • Why can’t an intelligence created specified complexity (functional information)?
  • Why can’t an intelligence created epigenetics and protein folding?

Paul:

  • Darwinian evolution can add new biological information after life begins

John:

  • Darwinian evolution assumes a mutating replicating life form to act on

Paul:

  • You can’t generate specified complexity by using physical laws
  • You can’t generate specified complexity by chance
  • At this point we are guessing as to how life might have formed

John:

  • Why do we have to rule out an intelligent cause a priori
  • If you can recognize an intelligence in outer space, why not in living systems?

Paul:

  • I don’t mind the word “intelligence”, it’s the word “signal”
  • I oppose the idea that God or aliens manipulated physical stuff to create life
  • It’s an “ugly explanation and very unappealing both theologically and scientifically”
  • I prefer the idea that the universe has processes to self-organize and create complexity
  • When it comes to supernatural meddling by God, “I don’t want that”
  • If I were God, I would create the universe so that I would not have to intervene
  • I think God would be more clever if he did not have to intervene
  • My preferences about what is “clever” determines what scientific conclusions are allowed

John:

  • Humans already have experience with their non-material minds to move atoms (matter)
  • If God is a mind, then there is no reason why he cannot move atoms (matter)

Paul:

  • My mind is physical, so are you saying that God is physical?
  • If God intervenes in the universe, then what is he doing now?

John:

  • There is a distinction between acts of creation and providential upholding the universe
  • God is also speaking to people and drawing humans toward him
  • God is spirit, not material

Paul:

  • How can a non-physical entity cause effects on the physical world?

John:

  • What science reveals that there is information needed for the origin of life
  • Information requires an intelligence to create it, just as with human who write books
  • That’s not God of the gaps – it’s an inference based on what we know today

Paul:

  • We may be able to explain the origin of life later, using matter, law and chance
  • What you’re saying is that God tinkers with the genome
  • If you say that God intervened once, then he intervenes all the time, everywhere!
  • I don’t want a God who tinkers in the genome
  • if God could intervene in the universe that would remove its intelligibility

John:

  • Look at the cover of this book – when I read words, I infer an intelligence
  • There are bad gaps that the progress of science closes
  • There are good gaps that science opens, showing the need for intelligence
  • On the one hand, you say we have no theory of the origin of life
  • On the other hand, you know that an intelligent designer wasn’t involved
  • If we don’t know how life began, why do you rule God out a priori?

Paul:

  • What scientists want to do is to explain the universe without involving God
  • naturalists want to use science to discover only materialist explanations
  • The purpose of SETI is to prove that there is other life in the universe
  • This would then show that there is a naturalistic way of making life
  • I agree that information in living systems is real hard to explain materialistically
  • I believe in the power of emergence
  • We might discover laws that prove that complexity can emerge without intelligence
  • The discovery of alien life would help to show that no intelligence is needed to make life

Justin:

  • What sort of cosmic fine-tuning is needed at the Big Bang for life to occur?

Paul:

  • It’s true that the universe appears extremely fine-tuned for life to exist
  • The typical answer from naturalists is that there is a multiverse
  • But the multiverse “falls far short” of providing a good answer to the fine-tuning
  • It’s irrational to appeal to massive numbers of unseen universes to explain fine-tuning
  • The design and purpose seen in the universe may be due to God or it may be emergent

John:

  • The fine-tuning is real and the multiverse is a desperate attempt to evade the creator
  • Sir Martin Rees (an atheist) says he “prefers” the multiverse to a designer
  • Scientists are not supposed to prefer anything except what is true

Justin:

  • Would the discovery of aliens hurt Christianity, because of the belief in the uniqueness of humans?

Paul:

  • Christians believe that Jesus came to save HUMANS specifically, not animals or aliens
  • If we were to discover intelligent aliens, it would challenge traditional religions
  • What will God do with alien races? Multiple incarnations? Or just preach the gospel to them?

John:

  • We don’t know if the aliens exist, first of all – it’s speculative
  • The Bible teaches that humans bear the image of God
  • We just don’t know whether alien species are also made in God’s image

Paul Krugman’s plan to stimulate the economy with an alien invasion

Well, it’s CNN. What do you expect?

Newsbusters explains what is wrong with Paul Krugman’s plan to stimulate the economy based on an episode of the Twilight Zone.

Transcript:

PAUL KRUGMAN, NEW YORK TIMES: Think about World War II, right? That was actually negative social product spending, and yet it brought us out.

I mean, probably because you want to put these things together, if we say, “Look, we could use some inflation.” Ken and I are both saying that, which is, of course, anathema to a lot of people in Washington but is, in fact, what fhe basic logic says.

It’s very hard to get inflation in a depressed economy. But if you had a program of government spending plus an expansionary policy by the Fed, you could get that. So, if you think about using all of these things together, you could accomplish, you know, a great deal.

If we discovered that, you know, space aliens were planning to attack and we needed a massive buildup to counter the space alien threat and really inflation and budget deficits took secondary place to that, this slump would be over in 18 months. And then if we discovered, oops, we made a mistake, there aren’t any aliens, we’d be better –

ROGOFF: And we need Orson Welles, is what you’re saying.

KRUGMAN: No, there was a “Twilight Zone” episode like this in which scientists fake an alien threat in order to achieve world peace. Well, this time, we don’t need it, we need it in order to get some fiscal stimulus.

It’s important to note that Paul Krugman’s plan is actually better than Obama’s plan, because Obama doesn’t have a plan.

The Newsbusters piece explains what’s wrong with stimulating the economy with an alien invasion, as seen on the Twilight Zone TV show.

Excerpt:

But more importantly, let’s look at the numbers involved to really get a sense of what Krugman advocated here.

The money unsuccessfully thrown at the Depression prior to World War II was staggering. From 1929 to 1939, government spending tripled from $3 billion a year to $9 billion.

And yet unemployment at the end of 1939 was still 17.2 percent.

Not a very good advertisement for Keynesian economics, is it?

Now imagine that kind of “stimulus” today. That would mean the current $3.8 trillion budget would have to rise to $11.4 trillion which would generate about $9 trillion of debt a year.

What do you think would happen to our credit rating and our dollar then? Wouldn’t be pretty, would it?

Yet that didn’t work in the ’30s – a fact that most liberals other than Krugman still contest – so the Nobel laureate is advocating that we spend like we’re being attacked by space aliens in order to get to the level of outlays during World War II.

Total federal spending in 1940 was $9.5 billion. By 1945, this had risen almost tenfold to $93 billion.

Such an increase in today’s budget would create a deficit greater than $30 trillion per year making our dollar and our Treasuries totally worthless.

[…]Consider too that the lasting stimulative quality of even the World War II spending is up for debate.

The National Bureau of Economic lists a recession that began in February 1945 that lasted until October of that year. This recession happened despite the federal government spending almost tens times as much as it had only five years prior and 30 times more than in 1929.

Once again, not a very good advertisement for Keynesian economics.

But let’s take this a step further, for NBER’s recession numbers might be too conservative. According to the Bureau of Economic Analysis, the Gross Domestic Product shrank by 1.1 percent in 1945, a staggering 10.9 percent in 1946, and 0.9 percent in 1947.

Again, this was after the largest explosion in federal spending in our nation’s history, and this is what Krugman is advocating we repeat.

So what is stimulus spending? Stimulus spending is when you take money OUT of the hands of people who create jobs, and put it into the hand of people who the government thinks deserves that money more. Let’s see who the government thinks deserves the money more than employers.

CBS News reports:

ABC News reports:

And this one features a real economist:

Obama promised that if we let him redirect $864 billion dollars from taxpayers to other people he chose, then that would make unemployment stay below 8%. So did all that “stimulus” keep unemployment below 8%?

The stimulus was worse than doing NOTHING AT ALL
The stimulus was worse than doing NOTHING AT ALL

(Click for larger image)

Let’s learn some economics and find out why that happened.

Economics in One Lesson

Perhaps it is time to review Henry Hazlitt’s book on basic economics “Economics in One Lesson”. Let’s look in chapter 4, which is entitled “Public Works Mean Taxes”.

Excerpt from that chapter:

Therefore, for every public job created by the bridge project a private job has been destroyed somewhere else. We can see the men employed on the bridge. We can watch them at work. The employment argument of the government spenders becomes vivid, and probably for most people convincing. But there are other things that we do not see, because, alas, they have never been permitted to come into existence. They are the jobs destroyed by the $10 million taken from the taxpayers. All that has happened, at best, is that there has been a diversion of jobs because of the project. More bridge builders; fewer automobile workers, television technicians, clothing workers, farmers.

And consider Chapter 5 as well, entitled “Taxes Discourage Production”.

In our modern world there is never the same percentage of income tax levied on everybody. The great burden of income taxes is imposed on a minor percentage of the nation’s income; and these income taxes have to be supplemented by taxes of other kinds. These taxes inevitably affect the actions and incentives of those from whom they are taken. When a corporation loses a hundred cents of every dollar it loses, and is permitted to keep only fifty-two cents of every dollar it gains, and when it cannot adequately offset its years of losses against its years of gains, its policies are affected. It does not expand its operations, or it expands only those attended with a minimum of risk. People who recognize this situation are deterred from starting new enterprises. Thus old employers do not give more employment, or not as much more as they might have; and others decide not to become employers at all. Improved machinery and better-equipped factories come into existence much more slowly than they otherwise would. The result in the long run is that consumers are prevented from getting better and cheaper products to the extent that they otherwise would, and that real wages are held down, compared with what they might have been.

There is a similar effect when personal incomes are taxed 50, 60 or 70 percent. People begin to ask themselves why they should work six, eight or nine months of the entire year for the government, and only six, four or three months for themselves and their families. If they lose the whole dollar when they lose, but can keep only a fraction of it when they win, they decide that it is foolish to take risks with their capital. In addition, the capital available for risk-taking itself shrinks enormously. It is being taxed away before it can be accumulated. In brief, capital to provide new private jobs is first prevented from coming into existence, and the part that does come into existence is then discouraged from starting new enterprises. The government spenders create the very problem of unemployment that they profess to solve.

And the results we see today are consistent with the predictions of basic economic theory.

George W. Bush cut taxes in his first term and created 1 million NEW JOBS. On the other hand, Obama transfered BILLIONS from the private sector to the public sector, where government waste is rampant. Government spending is a job killer. Obama might be a nice man, but he is just wrong on economics and business. What we should have done is elected someone who doesn’t repeat the mistakes made in other countries, like in Japan where massive government spending failed to stimulate the economy. We just need to look at where the ideas of Paul Krugman, Fareed Zakaria and Barack Obama have been tried – like in Spain and Greece – and see whether all of this government spending led to economic prosperity and a low unemployment rate. I know that it makes them feel good to think that they are responsible for punishing those who work, and rewarding those who don’t work. But maybe we should look at the results of their policies and decide that we just can’t afford to sacrifice the entire economy to make three people feel good about themselves. As far as I can tell, Keynesian economics has never created jobs whenever it’s been tried – although it does make the liberal elite feel superior to job creators. It works to do that.

U.S. Navy sets world record with new electromagnetic rail gun

Rail Gun
Rail Gun

The U.S. Navy has invented a new electromagnetic rail-gun weapon that is so advanced that it has set a world record. (H/T ECM)

Excerpt:

A theoretical dream for decades, the railgun is unlike any other weapon used in warfare. And it’s quite real too, as the U.S. Navy has proven in a record-setting test today in Dahlgren, VA.

Rather than relying on a explosion to fire a projectile, the technology uses an electomagnetic current to accelerate a non-explosive bullet at several times the speed of sound. The conductive projectile zips along a set of electrically charged parallel rails and out of the barrel at speeds up to Mach 7.

[…]An electromagnetic railgun offers a velocity previously unattainable in a conventional weapon, speeds that are incredibly powerful on their own. In fact, since the projectile doesn’t have any explosives itself, it relies upon that kinetic energy to do damage. And at 11 a.m. today, the Navy produced a 33-megajoule firing — more than three times the previous record set by the Navy in 2008.

“It bursts radially, but it’s hard to quantify,” said Roger Ellis, electromagnetic railgun program manager with the Office of Naval Research. To convey a sense of just how much damage, Ellis told FoxNews.com that the big guns on the deck of a warship are measured by their muzzle energy in megajoules. A single megajoule is roughly equivalent to a 1-ton car traveling at 100 mph. Multiple that by 33 and you get a picture of what would happen when such a weapon hits a target.

Ellis says the Navy has invested about $211 million in the program since 2005, since the railgun provides many significant advantages over convention weapons. For one thing, a railgun offers 2 to 3 times the velocity of a conventional big gun, so that it can hit its target within 6 minutes. By contrast, a guided cruise missile travels at subsonic speeds, meaning that the intended target could be gone by the time it reaches its destination.

Furthermore, current U.S. Navy guns can only reach targets about 13 miles away. The railgun being tested today could reach an enemy 100 miles away. And with current GPS guidance systems it could do so with pinpoint accuracy. The Navy hopes to eventually extend the range beyond 200 miles.

“We’re also eliminating explosives from the ship, which brings significant safety benefits and logistical benefits,” Ellis said. In other words, there is less danger of an unintended explosion onboard, particularly should such a vessel come under attack.

[…]There’s also a cost and logistical benefit associated with railguns. For example, a single Tomahawk cruise missile costs roughly $600,000. A non-explosive guided railgun projectile could cost much less. And a ship could carry many more, reducing the logistical problems of delivering more weapons to a ship in battle. For these reasons, Admiral Carr sees the railgun as even changing the strategic and tactical assumptions of warfare in the future.

You may remember those big battleships that use to sail around 60 years ago during World War Two. Those are long gone now because even a 16-inch gun can only hit a target 20 miles away. But guided cruise missiles, like the Tomahawk cruise missile, came along and suddenly ranges of 200 miles became possible. That’s why you never see big guns on ships any more, and battleships are no longer built. The problem with SSMs though is that you can shoot them down with other missiles, like AEGIS-class vessels using RIM-161 missiles to intercept them. Can you intercept these rail gun slugs? I don’t know. If not, then that is a game changer.

I still think that this new weapon is not better than a nice carrier battle group with a couple squadrons of F-18 Hornets armed with Harpoon or Maverick ASMs. But it might be CHEAPER than a carrier battle group. And that is interesting. Maybe the Navy could mass produce these things so that they could be used in places where an expensive carrier battle group is not needed – against countries that do not have carriers or bombers of their own.

Previous story: U.S. Army unveils new guided grenade-launcher infantry weapon.