Archive for the ‘In my opinion’ category

The Lutec whack-a-mole

August 13th, 2010

Plognark's "stupid" graphicI missed it. I checked my email tonight, saw an email from KitchenSlut, and noticed the word “Lutec”. Something about the Cairns Post… I then saw that the URL he was pointing out to me had 2010 in it, not 2001. “No smegging¹ way”, I thought, “the Cairns Post couldn’t be that stupid”. I was wrong. The Lutec Free Energy machine is back on the pages of the Cairns Post.

Lutec popped up in the Cairns Post back in 2001, claiming that they had invented a device that could produce more energy than it consumed – a free energy machine that they said they would soon start selling to the public. They just needed some “investors” to help them finish it off. The Cairns Post provided the cranks with a podium to shovel their story out, and “investors” gave Lutec the money they sought. Predictably, no product appeared, and the story vanished for years. Now it’s back, and it hasn’t changed. The “inventors” are again promising the device will be available in a couple of years.

This is very simple… If the Lutec machine can put out more energy than it consumes from the grid, they can simply feed a bit of its output into its input and provide a limitless supply of free energy. Once started,the machine should run forever even when unplugged from its power source. How about getting Lutec to authorise Ergon Electricity to release all their electricity billing information. I’m guessing their office still runs up a bill. This despite the fact that, if their claims were true, they should be supplying the grid with huge amounts of energy. They’re not.

“Free energy” machines have a tendency to be whack-a-mole operations, surfacing intermittently to suck up more money from gullible “investors” falling for the perpetual promise of a commercial release “real soon now”. The big day never comes, and the “inventors” disappear for a while to live off the money of their dupes. Some of the “inventors” are sincerely deluded, others are just straight out con-artists. I don’t know which category the Lutec guys fall into.

Then there’s the Cairns Post, which needs to learn that a “local angle” does not make a story credible or even newsworthy. This isn’t the first time reporter Daniel Bateman has been sucked in by a local crank – not long ago he also gave a podium to Henry “if evolution is true, why don’t crocodiles have mobile phones” Gobus. The decision by him and his editor to draw attention to Lutec is more troubling due to the money involved.  In 2001 the Cairns Post helped the Lutec company get money from gullible “investors”, and now they’re helping again. It’s extremely irresponsible journalism, and one wonders where the line between being a newspaper and being a willing accomplice lies.

I also have to wonder how long it will be until we see Bateman reporting about fossils in inter-dimensional portals in people’s wall paint or killer triggerfish. Perhaps an interview with Billy Mango?

For information on Lutec, see Ratbags’s coverage of the 2001 kerfuffle. Nothing seems to have changed, including the Cairns Post’s willingness to promote bullshit.

1: Yes, I really do use the BBC family friendly non-swear word smeg from Red Dwarf.

Isopods: a face only a mother love could

July 25th, 2010
Bathynomus giganteus

The world's most disgusting aquatic creatures?

If you’re a fisherman you’ve almost certainly seen an isopod or two. When I was a teenager I would regularly find them in the mouths of yellowtails, where they had sucked blood from the fish’s tongue for so long the tongue withered and died. The isopod would then live on, replacing the tongue while sharing in the fish’s food.

You probably haven’t met Bathynomus giganteus, their somewhat larger relative (picture at right). Practical Fishkeeping has an article billing them as the world’s most disgusting creatures. The article does not include care instructions, and I suspect they don’t appear in aquarium shops very often. Bathynomus grows to around 75cm in length, and are thought to feed on carcasses that have sunk to the bottom of the deep ocean.

What a bargain

July 10th, 2010

I took my usual Saturday morning trip to Smithfield today, and wandered through the centre to get to Cafe Soul for breakfast. Passing Michael Hill jewellers I found one of those annoying spruikers out the front talking up one of their “sales”…

All this at much more than half price!

I resisted the temptation to go back and say “Much more than half price? Like what? Full price?”

Incompetent spruikers are slightly less annoying.

More on Emotional Freedom Technique (psychological acupuncture)

July 3rd, 2010

As I previously commented, a story on Channel 9 News recently spruiked Emotional Freedom Technique in treating food cravings. I took a not so wild guess that the study was not properly designed, and lacked an adequate placebo. A brief Google search revealed earlier research by the same author which suffered this well-known and understood flaw. In email correspondence, the author has confirmed my suspicions. Her defence seems to be that others are doing placebo trials and we should wait for those. But this is disingenuous and unnecessary.

Proper trials of meridian based therapies have been conducted many times, particularly for the more fashionable acupuncture. The balance of evidence  plainly shows that it does not matter where the needles go. Let’s put this simply: There are no acupuncture points. There are no meridians. There is no chi. Inserting needles into the skin may have a mild local analgesic effect, but this is not acupuncture. Ritualistic tapping on the body can provide a distraction that might aid in overcoming food cravings, but this is not EFT.

One example of the failure of Emotional Freedom Technique is Assessment of the Emotional Freedom Technique: An alternative treatment for fear published in the Scientific Review of Mental Health Practice (Spring – Summer 2003, Volume 2 Number 1) by Wendy L. Waite and Mark D. Holder. Their abstract states:

The effectiveness of the Emotional Freedom Technique (EFT), a treatment for anxiety and fear, was assessed. One hundred nineteen university students were assigned and tested in an independent four-group design. The groups differed in the treatment each received: applied treatment of EFT (Group EFT); a placebo treatment (Group P); a modeling treatment (Group M); and a control (Group C). Participants’ self-reported baseline and post-treatment ratings of fear were measured. Group EFT showed a significant decrease in self-report measures at post-treatment. However, Group P and Group M showed a similar significant decrease. Group C did not show a significant decrease in post-treatment fear ratings. These results do not support the idea that the purported benefits of EFT are uniquely dependent on the “tapping of meridians.” Rather, these results suggest that the reported effectiveness of EFT is attributable to characteristics it shares with more traditional therapies.

And their conclusion:

In summary, the present study establishes that certain techniques used by EFT may be useful in the treatment of fear. However, this effectiveness appears unrelated to the unique features of EFT and instead derives from components shared with more traditional therapies already established as effective treatments for specific phobia. The clinical significance of EFT, including the duration of treatment effectiveness, still needs to be ascertained.

The Waite and Holder study was a well designed trial with proper placebo groups, and their findings mirror the large majority of such studies. It does not matter where you tap/stick needles/twiddle toothpicks. Given the well known problems with the idea of meridians, it’s the sort of study that Griffith University should have done.

Peta Stapleton and Griffith University have pimped fundamentally flawed studies to the media over the last couple of years, and have unfortunately attracted a fair amount of credulous press. They have done their little bit to cloud the public understanding of science, and provided undeserved credibility to the quacks who promote such bogus therapies.

When your God is an idiot

July 3rd, 2010

The Sydney Morning Herald reports:

A JEWISH group plans to overcome an ancient and restrictive religious commandment by creating a virtual wall around an entire North Shore suburb.

But its push for greater freedom has caused angst among some St Ives residents, who say it will block their views and create a “Jewish ghetto”.

Under Jewish law it is forbidden to push or carry objects beyond the private home on the Sabbath and during holy festivals such as the Jewish new year, Rosh Hashanah, which began at sunset on Monday.

That means parents are often unable to take babies and young children to synagogues or parks because they cannot push them there in prams. Likewise, the elderly and disabled cannot be pushed in wheelchairs.

But the creation of a part-symbolic, part-physical zone known as an eruv allows Jews to carry out such activities within its boundaries.

No, really…I’m not making this shit up. Their make believe walls and ceiling apparently trick their make believe God into not noticing that they are breaking his rules. I’m sure some ultra-orthodox Jews would consider the eruv blasphemy.

In So Long and Thanks for All the Fish, Douglas Adams had a character build his house inside out, with the outer walls decorated as if they were inside, and the inside kitted out as a garden. Wonko the Sane would welcome visitors and invite them to come outside… Outside the Asylum. The rest of the world was inside, he was outside.

Perhaps Jews should take this on board, make a small circle of wire,and declare the outside to be inside and the inside to be outside. This would allow them to ignore their Lord’s commandments everywhere one Earth except inside the small wire ring.

If God falls for an eruv, why wouldn’t he fall for an inside out eruv?

Recognising a stool as a chair

June 30th, 2010

It doesn’t sound like much – recognising the properties of a chair and extrapolating to a new object to call it a chair. People do it very easily, but I wasn’t aware that robots were starting to get into that territory.

Watching James May’s Big Ideas on SBS tonight I wasn’t too impressed by Honda’s Asimo robot walking, that was old news. But this segment showing object recognition, particularly the stool, was an eye opener for me. It would be interesting to see videos of more rigorous testing.

Emotional Freedom Technique

June 24th, 2010

Tonight Nine News carried a story about research at Griffith University into treating food cravings using “Emotional Freedom Technique“, a supposedly complementary and alternative therapy (SCAM) which involves tapping acupuncture points. Nine suggested that the research would leave skeptics scratching their heads. It did… for a fraction of a second. Then I thought “they have a poor control group”.

My suspicion was that the “study” compared the treatment group with an inadequate control group. If you want to test EFT you need to have at least two groups – one which receives the real EFT and the other which receives sham EFT. This latter group could, for example, use EFT techniques but tap non-acupuncture points. Participants should not know which group they are in, nor should researchers who interact with them. This is how you create a proper placebo group for such trials. Simply comparing the treatment group to a non-treatment group is not an adequate control. If EFT has something going for it, the EFT group will do better than the sham EFT group.

It seems that Nine’s story relates to work by Dr Peta Stapleton, a senior lecturer in primary health care at Griffith University. Her University page says her current grant is:

Association of Comprehensive Energy Psychology (ACEP). Seed Grant 2007. “Evaluation of the Emotional Freedom Technique (EFT) for Reducing Food Cravings: A Randomized Controlled Trial”. US$5000.00

I started googling to find out about the study and found Dr Stapleton’s website, a page of which describes some her research. The most recent work mentioned is on the same subject, but is from back in 2008. Here’s the summary:

A Randomised Clinical Trial of a Meridian-Based Intervention for Food Cravings: Six Month Follow-up of Treatment versus Waitlist
A study conducted at Griffith University in Australia by a team led by Psychologists Peta Stapleton, PhD and Terri Sheldon, examined the effectiveness of EFT for food cravings. The active treatment group received EFT and consisted of 96 overweight or obese adults and were compared to a matched waitlist of 47 adults (group that received no treatment for the same period of time as the treatment offered).

Well, it certainly looks like Dr Stapleton doesn’t know how to conduct a proper scientific trial of her pet therapy. She has made the same mistake made by many people trying to get research to support acupuncture and related therapies. I wonder why Griffith University allowed such a poorly designed trial to be conducted under its auspices. The study did not support EFT or acupuncture, and at best shows that providing people with rituals to distract them can help control food cravings.

I’ve asked Griffith University for any information they may have concerning evidence supporting the claims made, but even if there is more recent work than the above mentioned  I’m pretty sure the same problem is going to be at work. Dr Stapleton’s publications page on the Griffith University website does not mention the EFT work being published in any journal.

It is possible that Dr Stapleton realises that EFT is not effective, but is using the ritual purely as a psychological trick. This is, unfortunately, unlikely.

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For further information on Emotional Freedom Technique, see Can We Really Tap Our Problems Away? A Critical Analysis of Thought Field Therapy, Skeptical Inquirer, Volume 24.4, July/August 2000, Brandon A. Gaudiano and James D. Herbert.

Can We Really Tap Our Problems Away? A Critical Analysis of Thought Field Therapy

Ooh… An “institute”

June 6th, 2010

So, Cairns now has an Institute providing supposedly complementary and alternative medicine (SCAM). Their flyer appeared in my mailbox on Friday along with that for another SCAM merchant. Of course the word institute can be used willy nilly by anyone setting up a business, even  a snake oil merchant. Some quack just wants to make themselves more believable, so they name their business as an Institute. This purveyor of modern snake oils offer a wide range of SCAMs, including homeopathy, ear candling, iridology, applied kinesiology, acupuncture and chiropractic . One SCAM is never enough. I’m sure they sincerely believe in the crap they sell, but they’re deluded.

I dropped into their website and noticed they misrepresented homeopathy. They claimed it was a “system of complimentary (sic) medicine in which disease is treated by minute doses of natural substances”. This is a common misrepresentation of homeopathy – it actually dilutes its original substances to the point there is none of it at all in the final solution given to the patient. It contains nothing but dilutant (usually distilled water). Homeopaths believe that the water remembers what was once in it (the memory effect) and that this memory is the thing that does the healing. Homeopathy is the ultimate example of the placebo in alternative medicine. It is, however, generally very safe – a mass suicide using homeopathic sleeping pills failed dismally earlier this year. The true beliefs of homeopaths are hard to sell, so this could be an example of a deliberately dishonest statement on their website to get around that problem.

Ear candling is a rather laughable “therapy” in which a candle is supposed to create pressure to draw toxins out of the ear (even if that was possible at all). The candle doesn’t generate enough pressure to draw ear wax out let alone toxins. The residue the therapists display at the end is actually just from the candle itself, which can be demonstrated by burning one while it sits in a jar. Benefits are entirely due to the placebo effect, and there is the risk of perforated ear drums as well as the obvious dangers of hot wax in the ear.

Acupunture can have some mild analgesic effects, but it doesn’t matter where the needles go in. There is no chi, and there are no meridians along which it flows. Acupuncture can produce a strong placebo effect due to its elaborate nature and the use of needles (needles are a better placebo than pills). There are some dangers, and they likely outweigh any possible benefits.

Chiropractic is another SCAM which a lot of people don’t understand. There’s a bit of a schism amongst chiropractors, with traditional and “scientific” wings. The “scientific” wing way have some benefit, though it’sreally just massage and physiotherapy. It may be of some benefit in skeletal and muscular problems. Traditional chiropractic claims that an energy unknown to science, called the innate intelligence or energy, flows through the body and that disruptions to that flow cause disease. Claims are made about treating all sorts of problems, including cancer, asthma, colic, etc. It is, of course, complete bollocks. Note that manipulation of the neck, popular with chiropractors of both wings, can be dangerous and indeed fatal. Get a massage instead – it’s more enjoyable, just as effective, and it’s safer and cheaper. Personally I would seek a professional with the name Inga, Helga or similar.

Many of their other listed therapies are also bullshit. A couple (such as counselling or breast thermography) may have some benefit, though I would suggest finding a more credible provider. And if the Institute doesn’t offer your particular favourite snake oil, I’m sure they’ll add it to their list. I doubt anything could be too stupid and out of touch with reality.

I should also note that whoever wrote the Institute’s brochure seems not to understand the proper use  of apostrophes. Among the list they have Cupping’s, Kinesiology’s Treatments, Reflexologies’, and Chiropractor’s.

They’re taking away all our fun?

May 29th, 2010

I had to be a little amused by the opening to another whining article in the Cairns Post today:

Mad keen fisherman Wayne Bayne has an analogy he likes to use when he talks about the restrictions posed on his favourite pastime.

He likens it to that other great recreational pursuit, golf.

“I’ve never ever in my life been on to a golf course”, he said.

“But if golf courses are 18 holes and all of a sudden you took 8 holes away from them, you wouldn’t get as many people playing, would you.”

Mr Bayne, the Far North Queensland chairman of Marine Queensland, said the tradition of enjoying the great outdoors was increasingly under attack from bureaucrats who were – unintentionally – threatening to turn many northeners into obese city dwellers.

“By restricting people’s use of an area without justification for doing it is reducing the enjoyment people have out of it,” Mr Bayne said.

“The marine industry has taken a hit out of that when they rezoned the Great Barrier Reef in 2004.”

Yes, fishing is such great exercise… Sitting on your arse in a boat while drinking beer and reeling in for thirty seconds every now and again is a real aerobic feat! Perhaps more fisherman should walk eighteen holes of golf every now and again.

And then there’s his analogy – which I think is inaccurate. It’s more like telling golfers they can’t hit balls in public playing fields. Guess what, that’s already in place and really hasn’t hurt much. And we should also note that many golf courses in the north haven’t done away with eight holes, they’ve done away with nine.

Justification? See the TED Talk a couple of posts down the page, which illustrates why we so desperately need marine reserves. There’s still plenty of Reef open to recreational fishermen. Let’s increase the green zones a bit further.

Ideomotor in action

May 23rd, 2010

On Friday a colleague asked me what direction was north. Unsure, I pointed vaguely toward what I thought might be north. I had no idea why I was being asked. It turned out that two colleagues – let’s call them A and B – were discussing a decision that A needed to make. B suggested a technique to make the decision. A should stand facing north in order to align herself with the world’s Reiki energy, and then clear her mind. She would begin to feel herself begin to fall either forward or backward. Forward would be interpreted as “Yes”, and backwards meant “No”.

And so A gave it a try, and found herself falling forward. “That’s amazing!” she said. “The ideomotor effect in action”, I opined. I was scowled at and dismissed, and returned to my work. How dare anyone suggest that it had nothing to do with mystical energies unknown to science!

Thinking about it I couldn’t help but feel it was not dissimilar to dowsing without the rods, and searching for an inner mental state rather than water or gold. I have no doubt that A sincerely felt an odd compulsion to fall forward. The ritual may even have helped her tap into her “subconscious” to figure out what she really wanted. Using the ideomotor effect to probe your inner mental state isn’t as obviously silly as dowsing and may even be effective at times.

By suggesting that A face north to align with Reiki energy, they seemed to be engaging in a ritualistic element that could halp accentuate the ideomotor effect. It lent a strange credibility to their minds (both are already convinced in reality of Reiki – indeed, the decision A was making was whether or not to do another course in the quack therapy).

I suspect it actually wouldn’t have mattered which direction was chosen – and indeed I think A was facing northwest, so wouldn’t she have felt herself falling 45 degrees to the right?  I also have a sneaking suspicion that if alerted to the fact she was facing in the wrong direction, a memory of a tug to side would be claimed.

The ideomotor effect is a well documented psychological effect. Its power lies beneath  nonsensical beliefs such as dowsing, ouija, and the incident I witnessed.  I think that this trick would work even if you explained that it was a psychological technique to “tap the unconscious”. Just having some authoratative sounding explanation will increase the effect.

Oddly, it’s the new age mystical people who forever say science doesn’t appreciate the power of the mind that are the ones who don’t give the mind credit. Our brains have the capability to control our bodies without us being consciously aware of it.