The Physics of Christmas 128
Well, with Christmas just around the corner, I'd like to thank Joe Mahoney for sending us a review of Can Reindeer Fly - The Science of Christmas, known in the States as The Physics of Christmas: From the Aerodynamics of Reindeer to the
Thermodynamics of Turkey. It's an amusing little piece - and just in time for holiday shopping, I offer this blatant plug: Jon Katz' new book Geeks is ready for pre-order at ThinkGeek. It's really good, even though it's dedicated to two bozos who run this site. *grin*
Can Reindeer Fly - The Science of Christmas | |
author | Roger Highfield |
pages | 294 |
publisher | Metro Books, 11/1998 |
rating | 8/10 |
reviewer | Joe Mahoney |
ISBN | 0316366110 |
summary | A fascinating discussion of the mechanics of Christmas magic |
The Scenario
Can Reindeer Fly is a book about the culture, science, technologies and traditions that contribute to the Christmas season. Dr Highfield is a respected author and scientist who has written a well researched book that will appeal to a wide variety of people.
What's Good?
If you liked the various 'Science of Star Trek' books and websites, you will probably enjoy this book. Dr Highfield covers almost every area of modern day science - from genetics to quantum theory to dieting to explain or theorize about many of the different aspects of Christmas. Christmas in different cultures is discussed too, with chapters on food and gift giving around the world. I really enjoyed Dr Highfield's approach. Rather than trying to disprove theories and legends, he tries to use every scientific tool available to see if something could be done - this is especially true in a chapter on the virgin birth of Jesus. Unfortunatley, Dr Highfield wasn't able to conclude that Santa Claus employs warp powered reindeer to boot it round the earth on Christmas eve :-What's Bad?
This probably isn't an issue for most slashdot readers, but I found there was a definite Northern Hemisphere bias. Several chapters take it for granted that Christmas will be celebrated in the middle of Winter. Where I live, Dec 25 is usually a hot summer day and rather than building a snowman after a huge turky dinner, I am more likely to lie in the sun after a huge BBQ. It's not a big issue and it doesn't really detract from the text in any way.
So What's In It For Me?
ThereÕs really something for everyone in 'Can Reindeer Fly'. If you want to know about the origins of the Christmas tree and other traditions there are several chapters to keep you happy. Interested in astronomy? A chapter on the Bethlehem star is what you're after. Science geeks will be interested in chapters on Snow and the tech involved to get a sleigh to travel to the hopes of every good little boy and girl. Dieticians will be interested in the chapter on Santa's diet and genetics.Purchase this boook at fatbrain.
Table of Contents
- Acknowledgements
- Introduction: Christmas and the Scientist
- 1. The Bethlehem Star
- 2. Miracle
- 3. Santa and Those Reindeer
- 4. Gluttony; Santa's Genetics
- 5. The flame and the Tree
- 6. Giving and Shopping
- 7. Snow
- 8. Festive Fare
- 9. Christmas Spirit
- 10. Christmas Blues and Seasonal Moods
- 11. Santa's Science
- 12 Christmas 2020
- Appendix The Formula for Christmas Day
- Glossary
- Bibliography
- Index
What about us Jews? (Score:1)
Re:What about us Jews? (Score:1)
Re:I wonder if the book mentions... (Score:1)
Jews need GPS!!! (Score:1)
What's the deal with taking 40 years to cross the desert? I don't believe the dropped quarter story.
Next Hanukkah, I am getting Moses a GPS receiver...
Re:Everybody knows... (Score:1)
Re:AMAZON?!? (Score:1)
--Phil (I'm too into instant gratification to buy online--I just drive down to the local Borders. (I want my books NOW!))
Re:James Randi Slashdot Interview! I SECOND THAT! (Score:1)
What happened to my moderate points?
Did I answer to a thread here?
James Randi Slashdot Interview!!! (Score:1)
New Book (Score:1)
Huaow!
; )
Re:What about us Jews? (Score:1)
Re:Katz In Action Help!!! (Score:1)
I'm having trouble with my Slashdot filters over.
I know I specified in my preferences that I never wanted to ever even hear Junky Katz's name ever again. But for some strange reason he keeps popping up now and again.
And BTW, being a geek. The one thing that in rages me nowadays is Junky Katz suposedly being a voice for geeks.
In the future I'll just politely ask that any mention of Katz be in a separate post.
Thanks
Re:Everybody knows... (Score:1)
Re:Rudolph's nose. (Score:1)
Re:Copier Humor (Score:1)
Re:I wonder if the book mentions... (Score:1)
Ummm... Solstice happened long before human existence
Chris
Re:Rudolph's nose. (Score:1)
Ya'see, Rudolph is actually carrying the highly advanced tech required to make the whole Christmas delivery thing work. The light from his nose is actually the doppler shifted reflection of a minituarized ST:NG Impulse engine. The Sleigh is carrying a minituarized Warp Generator which, when in use, causes the sleigh to appear as a shooting star or a twinkle (depending on viewing angle). Claus uses the Picard manuever to be in several places at once, and, as demand for his services has grown, has taken to using a holodeck projected image of himself and molecular transporters to get the work done.
The cookies, etc. are then transported back to the workshop and converted to their constituent elements for use in next year's toys.
Geez, don't they teach elementary (ST:NG) 24th century physics around here anymore?
blah blah (Score:1)
Get a life or at least, another script.
Rudolph's nose. (Score:1)
Mezz -- always wanted to know.
Re:Katz In Action (Score:1)
Re:James Randi Slashdot Interview!!! (Score:1)
Re:Jon KATZ??? (Score:1)
Which just goes to prove the publishers will still print anything. Especially if they don't understand it.
Re:Jon KATZ??? (Score:1)
Don't forget... (Score:1)
Flying reindeer and the Unified Theory (Score:1)
The explanation is: the reindeer are made of hydrino compounds and powered by hydrino engines and batteries. There would be pods containing intersecting helium and electron beams under a negatively charged plate. The electrons in the beam would be deformed in such a way that they would oppose gravity and push up against that electric field of the negative plate. Anything attached to the plate would also experience lift!
Re:I wonder if the book mentions... (Score:1)
As a militant agnostic, I couldn't agree more.
While I'm not at all convinced that Christmas has any religious significance whatsoever, I enjoy participating in some of the trappings of the season (i.e., putting up and decorating a live tree in the living room, putting up Christmas lights outside, buying presents, watching holiday movies and specials on TV, throwing a few dollars here and there into Salvation Army kettles, etc.) Most of these traditions, in their general sense, have nothing to do with any particular religion whatsoever. And with that in mind, the name "Christmas" does not, and should not, be taken as a direct reference to or advertisement for any particular religion, either.
People who get their panties in a bunch about "Merry Christmas" really need to get a life. "Peace on Earth and goodwill to men?" Horrors! We wouldn't want anything like that to catch on and spread!
That was a typo .. (Score:1)
Re:Everybody knows... (Score:1)
[Off Topic] Chinese Proverbs (Score:1)
Why do people always assume that grammatically correct Chinese translates into broken English?
Re:Jon KATZ??? (Score:1)
--
Reminds me of a Joke (Score:1)
Seems that a scientist approached God and said, "Listen, we don't need you anymore. Science has figured out the mysteries of the Earth to the point that we can handle everything without you."
God replied, "If you think you don't need me, I have one request of you - I made you by breathing life into dust. You try it."
The scientist said, "No problem, we know that all proteins necessary to sustain life can be made out of dirt." And he stooped down to grab a handful of soil.
But God answered, "Get your own dirt!"
Re:Everybody knows... (Score:1)
I don't think it's fictional (Score:1)
It is referenced on Slashdot, [slashdot.org]which is where I first read about it.
And Jesse and Eric post to Slashdot
George
Re:Everybody knows... (Score:1)
She said that santa stopped time and you could tell he had because when time stopped bubbles formed on the side of a glass of water.
So every christmas eve, the kid went to sleep with a glass of water by the bed so he could tell when santa had come and gone!
Screw Christmas (Score:1)
Christmas IS over-commercialized and I'm doing my part by not taking part of it. (Besides, gifts should be un-expected not expected.)
I wish for peace and good-will to all humans ALL YEAR around, not just ONE DAY, which IS the TRUE essence of Christianity: Treating people with respect, maturity, and love. Religion aside, the world would be a better place if everyone would just try a little harder to put aside our petty differences.
(Sorry if you were offended by the subject header, but I needed to grab your attention
Cheers and Happy Holidays
James Randi, scientific method & flying reindeer (Score:1)
Re:Everybody knows... (Score:1)
Re:I wonder if the book mentions... (Score:1)
Choices (Score:1)
The
Work together for the Common Geek Good:
counterarguments (Score:1)
He doesn't need to carry allthe gifts with him at once, he can go back to the north pole to pick them up in batches.
On a theological level, the logistical problems caused by more and more good Christian kids as the population expands would have the Church hurting Santa - he can't do his job if the Church does theirs. So, Santa must use a sliding scale of goodness - only a constant numberof the best children get presents directly from Santa every year.
Work together for the Common Geek Good:
Re:Choices (Score:1)
You posted this at a score of 2,
Work together for the Common Geek Good:
Re:Virgin Birth - Explained! (Score:1)
Re:NORAD (Score:1)
NORAD's Santa-tracking site [noradsanta.org]
Warning: Flash 4 required.
--
But what about the idea of Santa Inc.? (Score:1)
So the idea of Santa is legitimate. You have to remember the corporate breakdown of his operation, though, to make it all work.
Re:Everybody knows... (Score:1)
anyhow, I have a source in the North Pole that reports that Santa, his reindeer, and elves are all from Krypton and can fly faster than the speed of light and reverse time (as long as they charge up during the long summers on our yellow sun). You've probably seen Superman do this in one of his movies. Santa didn't get the X-Ray vision or superhuman strength or ability to fly when he came here, but he can suck in his gut and fit down narrow chimneys and has psychic perception to know when you've been bad or good, asleep or awake, which more than makes up for those powers. Santa also has the ability to clone himself and appear at multiple shopping malls at once. He is also immortal. You may or may not remember the evil Multiple Santa (who was thankfully defeated by the Tick) duplicated this power, but lacked the psychic powers.
I'd best not reveal any more, or Santa's Security (SS) troops will track me down and beat me again.
Re:Everybody knows... (Score:1)
My spectrum wasn't too hot with email, either.
Re:Virgin Birth - Explained! (Score:1)
"Oh - It's a virgin birth. Well that's OK then"
This was meant to be a joke, and no offence is intended to any religious types out there.
Re:Everybody knows... (Score:1)
Oh well, still good for a laugh.
Re:Everybody knows... (Score:1)
Santa can be in every house at the same time because he is in a quantum state. This also explains why we never get to see him! If I saw him I suppose he'd be stuck in a single state (my house) until he left, then he'd have to start over.
Hmm, either that or a jar of poison gas would open and he'd die, I guess I don't quite understand it yet.
NORAD (Score:1)
Re:What about us Jews? (Score:1)
Re:Pussy Atheists, eh? (Score:1)
Re:I wonder if the book mentions... (Score:1)
I wonder if the book mentions... (Score:1)
...what a horrible, nasty, evil thing that saying "Merry Christmas" is. I don't know about in the States, but up here in Canada, it is no longer politically correct to do so.
Oh, you can say "Happy Channukah", all right. Of course, all the neutral crap like "Seasons Greetings" and "Happy Holidays", but if you say "Merry Christmas", you are originally branded a bigot who doesn't understand that other people celebrate different holidays.
Why can't people just understand that "Merry Christmas" is, 99% of the time, just an expression of wishes and good will, and is rarely said in malice?
I've seen this before... (Score:1)
Re:Katz's book... (Score:1)
Whoops - my bad. Yer right - it's non-fiction. I read the description of the book, but, didn't check that part of it. :-/
Re:Katz's book... (Score:1)
Naw - no need for flameage.
From what I gather, it's a fictional piece, dedicated to CmdrTaco and Hemos. The main characters in the book are Jessie and Eric - the /.'ers are Rob and Jeff.
Re:I wonder if the book mentions... (Score:1)
When I say it to someone I am justing showing a bit of affection, and wishing for their happiness for the time of year. I am not imposing any kind of religious point of view.
The person I am saying it to may or may not share in my belief of it being it a simple curtasy. But it is important that they respect it because in turn I will respect their beliefs.
Basically the point I am making is that we should all respect each other beliefs and points of view. And once we start segrating out a particular group because it is not in line with someone elses beliefs then that is the start of a very slippery path towards... Well we all know off World War II and I for one have no wish to go back there.
Re:Rudolph's nose. (Score:1)
Or the Picard manuever taught in Star Fleet acadamy which if I remember correctly Capt. Picard used aboard the StarGazer.
Or maybe I should get a life;)
Re:Offtopic (Score:1)
"God does not play dice with the universe." -Albert Einstein
What I want to know... (Score:1)
Net result, does Santa have to work out after Christmas to lose the weight he's put on (like the rest of us mere mortals)? Or does he have to bulk up the rest of the year to be in form by next Halloween, or whenever they're turning him loose on the malls now? (Seems earlier every year, don't it?)
Good... bad... I'm the one with the gun.
Re:Everybody knows... (Score:1)
Re:Katz's book... (Score:1)
you're a typical slashdotter...a dumb fuck. i hate you and your kind and I'm actively working on a solution.
Dear Bill Gates,You really should watch your language, we all know it's you. :^)
Re:Katz's book... (Score:1)
I, for one, would like a little more information about the book. I checked the ThinkGeek page, but I'm still confused.
Is the book about CmdrTaco and Hemos? Or is it just dedicated to them?
Please don't flame me, I just really don't know enough history of the subject.
Santa is a wave... (Score:2)
However, on Dec 25th, everyone expects presents - looks in the box - and the wave collapses.
Meanwhile Santa is selling the idea to Intel as an alternative to clock-locking their CPUs...
This wouldn't work. (Score:2)
Re:I wonder if the book mentions... (Score:2)
And there's no point wishing someone Happy Chanukah now, since Chanukah finished 10 days ago
Oh, yeah, Merry Christmas everyone!
Re:Everybody knows... (Score:2)
(posting with Mozilla and proud of it).
Re:I wonder if the book mentions... (Score:2)
... but then I'm an atheist brought up in a predominantly protestant (Welsh nonconformist) community, I guess that 'd make a difference.
At least this way I don't get hung-up and invent Mr Hanky
--
The Sally Army? (Score:2)
OK, I know they do some great work with the homeless, but I'm sure there are other charities that do equally good work but don't lace it with evangelism (and all those horrible military trappings).
--
Patch Disk (Score:2)
(Well, at least it's not a Microsoft Production. :)
Re:Choices (Score:2)
"Geeks" looks surprisingly promising (Score:2)
On the downside, did Jesse really write this ? That seems a little too Katz-like to be real. And would anyone want to read a whole book of this?
Re:Katz's book... (Score:2)
Eric
Re:Everybody knows... (Score:2)
AMAZON?!? (Score:2)
Re:Everybody knows... (Score:2)
Rupert (off to buy the white beard colouring anyway)
Re:I wonder if the book mentions... (Score:2)
--
Geeks - deja vu (Score:2)
Jazilla.org - the Java Mozilla [sourceforge.net]
Offtopic (Score:2)
Jazilla.org - the Java Mozilla [sourceforge.net]
Copier Humor (Score:2)
Yeah, yeah, bah humbug...
TV tie-in? (Score:2)
http://www.discovery.com/sched/domestic/episode
Katz's book... (Score:2)
I'm still trying to figure out what Katz would know about Geeks. His articles on here sure aren't a shining endorsement of his book...
Re:Everybody knows... (Score:3)
free presents from Santa - free snacks for Santa - free as in 'free beer'. Yeah - that's the ticket - Santa is running GNU/Linux!!
Re:Everybody knows... (Score:3)
The only issue, of course, is that all these Santas has to be reaped properly afterwards. After all, you don't want hordes of Santa zombies wandering around town...
Kaa
Re:Everybody knows... (Score:4)
By quantum mechanics Santa manages to manifest himself in all states in the same point in time. Santa can employ quantum mechanics based on the uncertainty principle of "Does Santa Claus exist or not?" and "Have I been a good boy/girl/it?".
In this way Santa assumes all states at once. Being in all chimneys, filling all stockings, eatting the mince pie left out for him, etc etc, all at the same single point in time.
Now the really clever part is how does Santa manage to forge every single person's pareints signature.
Katz In Action (Score:5)
Katz: So, you're a teenager in a high school. Is that correct?
Teenager: Yes, that is correct.
Katz: You don't play team sports and are very pimply. You are a geek, is that correct?
Teenager: Well, I've never referred to myself that way, but I guess I see how one would think that.
Katz: Tell me how horrible your life is as a result of being a geeky teenager.
Teenager: Huh?
Katz: You can start off by telling me about the daily beatings you suffer and then move on to the alienation and administration apathy which has your bordering on suicide
Teenager: What are you talking about? I've never been beaten. I'm a Regents Scholar and have a great relationship with my teachers.
Katz: Yes, that must have been horrible
Teenager: Uh, are you listening to me?
Katz: After that horrible incident, how close were you to murdering your schoolmates and/or killing yourself
Teenager: Murder my schoolmates? Why would I do that. I just came back from christmas break vacation with several of them. We had a blast. As far as killing myself, that would never happen. I have a full scholarship to Berkley. My future is great.
Katz: Thank you for giving us an insight into the horrors of being a geeky teenager. Sharing your experiences with the world will help others like you and will help me get a house in the south of France.
Teenager: You need Ritalin, dude.
Everybody knows... (Score:5)
I. There are approximately two billion children (persons under 18) in the world. However, since Santa does not visit children of Muslim, Hindu, Jewish or Buddhist religions, this reduces the workload for Christmas night to 15% of the total, or 378 million (according to the Population Reference Bureau). At an average (census) rate of 3.5 children per household, that comes to 108 million homes, presuming that there is at least one good child in each.
II. Santa has about 31 hours of Christmas to work with, thanks to the different time zones and the rotation of the earth, assuming he travels east to west (which seems logical). This works out to 967.7 visits per second. This is to say that for each Christian household with a good child, Santa has around 1/1000 of a second to park the sleigh, hop out, jump down the chimney, fill the stockings, distribute the remaining presents under the tree, eat whatever snacks have been left for him, get back up the chimney, jump into the sleigh and get on to the next house. Assuming that each of these 108 million stops is evenly distributed around the earth (which, of course, we know to be false, but will accept for the purposes of our calculations), we are now talking about 0.78 miles per household; a total trip of 75.5 million miles, not counting bathroom
stops or breaks. This means Santa's sleigh is moving at 650 miles per second -- 3,000 times the speed of sound. For purposes of comparison, the fastest man-made vehicle, the Ulysses space probe, moves at a poky 27.4 miles
per second, and a conventional reindeer can run (at best) 15 miles per hour.
III. The payload of the sleigh adds another interesting element. Assuming that each child gets nothing more than a medium sized Lego set (two pounds), the sleigh is carrying over 500 thousand tons, not counting Santa himself. On land, a conventional reindeer can pull no more than 300 pounds. Even granting that the "flying" reindeer could pull ten times the normal amount, the job can't be done with eight or even nine of them-Santa would need 360,000 of them. This increases the payload, not counting the weight of the sleigh, another 54,000 tons, or roughly seven times the weight of the Queen Elizabeth (the ship, not the monarch).
IV. 600,000 tons traveling at 650 miles per second crates enormous air resistance-this would heat up the reindeer in the same fashion as a spacecraft reentering the earth's atmosphere. The lead pair of reindeer would absorb 14.3 quintillion joules of energy per second each. In short, they would burst into flames almost instantaneously, exposing the reindeer behind them and creating deafening sonic booms in their wake. The entire reindeer team would be vaporized within 4.26 thousandths of a second, or right about the time Santa reached the fifth house on his trip. Not that it matters, however, since Santa, as a result of accelerating from a dead stop to 650 m.p.s. in 0.001 seconds, would be subjected to centrifugal forces of 17,500 g's. A 250 pound Santa (which seems ludicrously slim) would be pinned to the back of the sleigh by 4,315,015 pounds of force, instantly crushing his bones and organs and reducing him to a quivering blob of pink goo.
V. Therefore, if Santa did exist, he's dead now.