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Lionel Mandrake

(4,076 posts)
Tue Jan 3, 2012, 06:30 PM Jan 2012

MIT genuises with lightbulb

Last edited Wed Jan 4, 2012, 12:04 AM - Edit history (1)

The speaker at the graduation ceremony says, "We are the premier engineering and science institution in the world." The audience cheers. The graduating seniors are beaming in their caps and gowns.

Then someone interviews them with a simple question about electricity.



As a physicist, I can't believe what I just saw on this clip.

Some of the excuses are priceless, e.g., "I'm a mechanical engineer."
36 replies = new reply since forum marked as read
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MIT genuises with lightbulb (Original Post) Lionel Mandrake Jan 2012 OP
If MIT's students can't do this simple experiment... CaliforniaPeggy Jan 2012 #1
I dunno. Lionel Mandrake Jan 2012 #2
I think that the idea of what engineers do may also depend kentauros Jan 2012 #30
Yes, it all depends Lionel Mandrake Jan 2012 #33
I can't dispute your study quote. kentauros Jan 2012 #34
My son did this in the fifth grade as part of his Science Fair project. But I think he used TWO 1monster Jan 2012 #9
Post removed Post removed Jan 2012 #35
What do I click to make it play? rug Jan 2012 #3
Click the triangle in the middle of the picture. Lionel Mandrake Jan 2012 #5
Exactly...rug... blackbart99 Jan 2012 #19
If Spock can access his TriColor with vacuum tube technology, kentauros Jan 2012 #31
Oh, sure, you got a Hahvaaaaad guy picking on 'those mechanics' from down the river. Ikonoklast Jan 2012 #4
As if the Hahvahd guys were any smarter. Lionel Mandrake Jan 2012 #6
MIT doesn't care how rich your great-grandaddy was. Ikonoklast Jan 2012 #7
At MIT, they want to know what you are capable of. Lionel Mandrake Jan 2012 #8
Since Space/Time is curved, with an infinite amount of Time, Ikonoklast Jan 2012 #24
I may have exaggerated a bit. Lionel Mandrake Jan 2012 #27
Well, here is where they ask Harvard grads why there are seasons csziggy Jan 2012 #10
whoa. we learned the right answer to this in, like, first and second grade struggle4progress Jan 2012 #13
The answers given by the people in those ridiculous medieval costumes are not entirely wrong. Lionel Mandrake Jan 2012 #14
Ah, none of this is going to matter. Denninmi Jan 2012 #15
But they share one glaring flaw caraher Jan 2012 #18
Wow! MrScorpio Jan 2012 #11
No. Denninmi Jan 2012 #16
Holy crap. progressoid Jan 2012 #12
I guess they never played with a flashlight............ Historic NY Jan 2012 #17
What the huh? originalpckelly Jan 2012 #20
What's their malfunction? Lionel Mandrake Jan 2012 #22
Today, Academic Achievement is Based on Performance on Standardized Tests Yavin4 Jan 2012 #21
Is this why they want to get rid of the Dept. of Ed????????????? BobbyBoring Jan 2012 #23
Who wants to get rid of the Dept. of Ed.? Lionel Mandrake Jan 2012 #26
Everything is built upon basic ideas in our political system that are inane and corrupt.....nt MindMover Jan 2012 #25
Fester Addams - Honorary graduate of MIT PuffedMica Jan 2012 #28
i take issue with the idea that knowing the answer to one particular question CreekDog Jan 2012 #29
You raised several issues. I will try deal with each of them. Lionel Mandrake Jan 2012 #32
omg! Even I can do this Duppers Jan 2012 #36

CaliforniaPeggy

(149,614 posts)
1. If MIT's students can't do this simple experiment...
Tue Jan 3, 2012, 06:43 PM
Jan 2012

How fucked are WE?

Very.

I'm neither physicist or engineer, but *I* knew immediately what to do here.

Lionel Mandrake

(4,076 posts)
2. I dunno.
Tue Jan 3, 2012, 11:07 PM
Jan 2012

Engineers in a big company don't usually get their hands dirty. Technicians do that. If a technician couldn't get a flashlight bulb to light, then we'd be truly fucked.

What do engineers do, you may ask.

Mostly, they make presentations to management, who pass those presentations (or parts of them) up the chain of command to their management.

kentauros

(29,414 posts)
30. I think that the idea of what engineers do may also depend
Thu Jan 5, 2012, 12:34 AM
Jan 2012

upon what type of work is being done. All I've ever done as a draftsman/designer is work in the petro-chemical industry (a few other non-oil bidness work, but none of those were engineering firms, either.) Every engineer I worked with knew a little bit about drafting, enough to either get them in trouble in AutoCAD or well enough that they would hand over a decent sketch of what they wanted done.

They may not have been able to do any engineering drafting, but the drawings we gave back to them had to be understood well enough to further the design process on their end. I know they were often in meetings, but I also saw the results of those meetings (drawing changes, design changes, et cetera.)

Project Engineers are the management ones (also called "Project Managers".) The rest do the design work, we draw it up for them, it gets presented to the Project Manager and then upper management makes whatever decisions on it all that they do. Usually in my field (pipeline design) the people "above" the Project Manager(s) are the clients, which all too often consists of engineers, too. They have to know what they're looking at as well

As for these recent MIT graduates, I would guess that if they had asked the same question of the people doing robotic design, they'd have gotten a better sampling and positive results.

Oh, one other thing I wanted to comment on: we're already "fucked" because high schools across the nation are dumping the vocational "arts" in favor of their misguided emphasis on "science and math". Like you say, engineers and scientists don't like to get their hands dirty with the menial work of us vocational types. Well then, so much for getting any prototypes built in the US...

Lionel Mandrake

(4,076 posts)
33. Yes, it all depends
Thu Jan 5, 2012, 02:08 PM
Jan 2012

upon what type of work is being done. Engineers fill a variety of roles, and my glib generalization doesn't apply to all of them.

It's not so much that engineers don't like to get their hands dirty. Most of them would like to, but their jobs don't call for it.

Studies have shown that students who have taken calculus-based physics courses understand the light bulb circuit better than students who have taken algebra-based physics courses, and that the latter do better than those who have taken courses that don't even involve algebra. I would guess that virtually all physics majors and electrical engineers would be able to make the bulb light up, but I don't have any evidence to back this up.

I agree that it is a mistake for high schools to dump vocational classes. Those classes are just right for students who have no intention of going to a university. It will be up to community colleges to fill the gap in vocational education, at a cost in terms of the extra two years (or more) it takes for someone to prepare for a career.

kentauros

(29,414 posts)
34. I can't dispute your study quote.
Thu Jan 5, 2012, 03:04 PM
Jan 2012

I failed calculus, though I did just fine in Applied Trigonometry (later used in Topographic Drafting.) And, having had a class in Electrical Drafting, I was exposed to electrical circuit design and the principles behind it all. Can't remember much of it now, but at least when I look at some of Tesla's patents, I can figure out some of what's going on

I don't know what it's going to take for us to get away from the "test-score teaching" model, but I really wish we could make it a federal mandate to dump that and take up the Finnish schooling model. Of course, that would mean we would be actually educating our populace, and we know there are some types in power that see that as a bad thing...

1monster

(11,012 posts)
9. My son did this in the fifth grade as part of his Science Fair project. But I think he used TWO
Wed Jan 4, 2012, 01:02 AM
Jan 2012

wires rather than one, and the battery was a six volt, not a C cell...

Response to CaliforniaPeggy (Reply #1)

blackbart99

(464 posts)
19. Exactly...rug...
Wed Jan 4, 2012, 01:23 PM
Jan 2012

This new generation may be all tech savvy with a computer but the basics are a total loss.

I wonder if Cmdr. LaForge would be able to light the bulb.

Geordi....can you do it...or if it has nothing to do with a warp engine are you lost?

kentauros

(29,414 posts)
31. If Spock can access his TriColor with vacuum tube technology,
Thu Jan 5, 2012, 12:38 AM
Jan 2012

then Geordi could build a light bulb from bearskins and stone knives, and make it work, too

Ikonoklast

(23,973 posts)
4. Oh, sure, you got a Hahvaaaaad guy picking on 'those mechanics' from down the river.
Tue Jan 3, 2012, 11:35 PM
Jan 2012

This goes on all the time.

Lionel Mandrake

(4,076 posts)
6. As if the Hahvahd guys were any smarter.
Tue Jan 3, 2012, 11:45 PM
Jan 2012

I've visited both campuses, and I like MIT better. It's a friendlier place, and there are no armed guards in the library.

Lionel Mandrake

(4,076 posts)
8. At MIT, they want to know what you are capable of.
Wed Jan 4, 2012, 12:20 AM
Jan 2012

For example, can you walk all the way down an infinitely long hallway?

Ikonoklast

(23,973 posts)
24. Since Space/Time is curved, with an infinite amount of Time,
Wed Jan 4, 2012, 03:35 PM
Jan 2012

one can assume that one would end up exactly where one started from; so, by remaining at the starting point, would you be considered to have already accomplished that which you never actually started out to do, since the results are identical?


Lionel Mandrake

(4,076 posts)
27. I may have exaggerated a bit.
Wed Jan 4, 2012, 09:15 PM
Jan 2012

The "infinite corridor" at MIT is actually finite; it just seems endless when you are walking along it.

Lionel Mandrake

(4,076 posts)
14. The answers given by the people in those ridiculous medieval costumes are not entirely wrong.
Wed Jan 4, 2012, 04:26 AM
Jan 2012

The effect they mentioned is real, and it makes the seasons slightly more extreme in the Southern hemisphere, and slightly less so in the Northern hemisphere.

But the main effect, as every schoolchild should know, is due to the "obliquity of the ecliptic", i.e., the tilt of the plane of the Earth's equator with respect to the plane of its orbit around the sun.

Denninmi

(6,581 posts)
15. Ah, none of this is going to matter.
Wed Jan 4, 2012, 07:16 AM
Jan 2012

We'll all die hideous deaths shortly anyway, as the earth grinds to a halt in its daily rotation. One side will bake, one will freeze, kind of like on Mercury.

It seems that someone forgot to feed the giant hamster inside the earth that keeps us rotating.

It's probably too late already, but perhaps someone could shovel a load of seeds and hay down Mt. Etna to try to stave off catastrophe?

Well, at least I didn't forget what I learned in skool.

caraher

(6,278 posts)
18. But they share one glaring flaw
Wed Jan 4, 2012, 12:55 PM
Jan 2012

On their account, summer and winter should happen at the same time in the northern and southern hemispheres. So it's really an utter failure as an explanation, despite the nugget of truth (that being nearer the sun does have a warming effect).

Historic NY

(37,449 posts)
17. I guess they never played with a flashlight............
Wed Jan 4, 2012, 11:35 AM
Jan 2012

oh my how silly my new gizmo phone has a flashlight app built in. My theory is everything is built on a computer model if you don't have a computer you can do it. Just wait until they find out telephones can still function with a couple of attached wires.

originalpckelly

(24,382 posts)
20. What the huh?
Wed Jan 4, 2012, 01:37 PM
Jan 2012

I mean really, dude, give me a break. I used to play with science toys when I was a kid and did just this. You know these geeks had the same kind of toys, what's their malfunction?

Lionel Mandrake

(4,076 posts)
22. What's their malfunction?
Wed Jan 4, 2012, 02:42 PM
Jan 2012

Good question. Even if they didn't play with the same kind of toys as children, the engineering students must have taken a calculus-based course in electricity and magnetism, including laboratory experiments. I ask myself how is it possible that any of them can't make the bulb light up.

I don't have an answer.

BTW, students at other schools besides MIT have been diagnosed with the same malfunction.

Yavin4

(35,438 posts)
21. Today, Academic Achievement is Based on Performance on Standardized Tests
Wed Jan 4, 2012, 01:42 PM
Jan 2012

If you master the art of taking standardized tests, then you are passed through elite schools, even though you may lack rudimentary application of common knowledge.

I work in the legal field, and you would be shocked at how little about the actual practice of law that Yale and Harvard law grads actually know, and then you'd be stunned at how much money they get paid right out of college. Suffice to say, right out of law school, few of them could represent you in small claims court.

BobbyBoring

(1,965 posts)
23. Is this why they want to get rid of the Dept. of Ed?????????????
Wed Jan 4, 2012, 02:53 PM
Jan 2012

You would think people would be getting smarter. NOT!

Lionel Mandrake

(4,076 posts)
26. Who wants to get rid of the Dept. of Ed.?
Wed Jan 4, 2012, 08:49 PM
Jan 2012

By the way, there is some evidence that people are, indeed, getting smarter:

"The Flynn effect is the name given to a substantial and long-sustained increase in intelligence test scores measured in many parts of the world. When intelligence quotient (IQ) tests are initially standardized using a sample of test-takers, by convention the average of the test results is set to 100 and their standard deviation is set to 15 or 16 IQ points. When IQ tests are revised they are again standardized using a new sample of test-takers, usually born more recently than the first. Again, the average result is set to 100. However, when the new test subjects take the older tests, in almost every case their average scores are significantly above 100."

Read more: http://en.wikipedia.org/wiki/Flynn_effect

CreekDog

(46,192 posts)
29. i take issue with the idea that knowing the answer to one particular question
Wed Jan 4, 2012, 11:23 PM
Jan 2012

is a proper way to judge anything or anybody's education or intelligence or the quality of an educational institution.

(i'd also like to add that this is a manipulative video, providing little, out of context fragments of sentences from the students, professor and the speaker and uses that in a biased way to say, essentially, "my god MIT is a sucky engineering school, look at those dummies they can't even do the light bulb wire thingy".)



(no, actually it's a full university with lots of specialties that are not science)

Lionel Mandrake

(4,076 posts)
32. You raised several issues. I will try deal with each of them.
Thu Jan 5, 2012, 01:27 PM
Jan 2012

1. The idea that knowing the answer to one particular question is a proper way to judge ... anybody's education or intelligence or the quality of an educational institution.

The interviewer asked: "Do you think you could light a bulb with a battery and wire?" The students all answered this question correctly, i.e., they all thought they could.

A question is one thing; an experiment is something else. The inability of some students to perform the experiment does not imply that they are stupid or that MIT is a "sucky engineering school", but it does demonstrate a significant gap in their understanding of electrical circuits. This is a problem for physics professors to deal with.

2. The video is manipulative ...

The video is certainly slick. It looks like a segment for a TV news program. Such segments are always manipulative in the sense that they tell a story that is not inherent in the raw footage.

Why do you suppose they picked on MIT? My guess is that they picked on MIT precisely because it is arguably the best engineering school in the country.

If the camera crew had interviewed graduates of a less well known school, people might conclude that it was a lousy school. With MIT, the conclusion has to be something else. It would surprise me, and I think most people, if students at any other school did better than MIT students on this experiment.

3. Actually MIT is a full university with lots of specialties that are not science. Of course it is.

Duppers

(28,120 posts)
36. omg! Even I can do this
Fri Jan 6, 2012, 04:17 AM
Jan 2012

with only one wire and I'm a housewife! Sheesh!





'Course my physicist hubby taught me how decades ago.

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