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20th Century's Greatest Engineering Achievements

dgw1 writes "The National Academy of Engineering has produced an ordered list of the 20 greatest engineering achievements of the 20th century. I thought the articles about all of the entries were very interesting, even if I didn't agree with the order that some of the achievements were placed in. "

10 of 161 comments (clear)

  1. It's a bit general by rde · · Score: 3

    Looking at the list, I expected to find some specific examples of engineering. I mean, 'spacecraft'? 'Highways'? And what the fuck is a 'household appliances'?
    Instead, I'd have suggested Mir and, er, a big road. And the multi-region DVD with remote control and a free copy of the Matrix.
    This list, basically, covers every major engineering feat of the 20th century. I challenge y'all to come up with something that isn't in one of these categories.

  2. Not sure why ... by arthurs_sidekick · · Score: 3
    The invention linked as the one with which Hemos disagrees is Air Conditioning at #10 ... I am guessing that Hemos thinks that's too high?

    What do you expect from a Michigander? =)

    I'm from Canada, I live in NC now. Without the air conditioner, I simply could not survive the summers or even the spring. AC makes year-round industry, and hence industry, a feasible prospect for the US south.

    Don't underestimate its importance.

    --
    "Oh, I hope he doesn't give us halyatchkies," said Heinrich.
  3. Air Conditioning/Refrigeration is important by georgeha · · Score: 3

    Though not just for comfort.

    Think about the first time you went into a room with big iron, the raised floor, the chilly air, yeap, those mainframe monsters needed cool air to run.

    They wouldn't be much use if they could only run North of the Mason-Dixon line, and then only for 3 seasons.

    I support huge printers (DocuTech 135 and 6135), and recommend running them above 100 degrees F.

    Think about a spacecraft without air conditioning.

    "Houston, it's 120 degrees in here"

    "Roger, can you open a window?"

    I'm not a chemical engineer, but from just browsing a few recipes, it seems that cooling a solution is a very common procedure. Hard to do without a/c.

    George

  4. Re:Nukes by spiralx · · Score: 3

    I agree with this statement in general, of course there is always the possiblity of the fanatical getting hold of this kind of weapon. The reason WMD have preserved global peace so well is that national leaders realise the damage that would come in retaliation, and they care about this. But fanatics could set off one of these (easier with the advent of portable nukes) with no intention of surviving it. This is IMHO the biggest danger from the invention of this weapon.

    The reason this is a problem is that the defence against this type of weapon always lags behind the offence. It is always technologically easier to destroy than it is to defend, and so there is always a period between when a weapon is invented and when its defence is invented during which the weapon is at its most dangerous. And at the moment we are in this stage, so anyone with a nuke has a lot of power.

  5. Porn by BWS · · Score: 3

    Hey,

    Where is porn on that list? Camon guys, that's gotta be one of the top inventions of the 20th century.

    I mean, in the 19th century. It was very hard to find porn. Now, you don't even have to go outside to get porn. Making porn easily accessibly is gotta be the top invention of the 20th century.

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    -- Note: These Comments are Generated by ME! Not You! ME!
  6. Plastics? Medicines? by mmmBEERz · · Score: 3

    Does performance materials include plastics? Most of what we have today, we owe some debt to plastics. What about medicines? The 20th century has seen an explosion of medical technologies. I would imagine without them some of the greatest achievements would have been taken to the grave. At least in My Narrow Point of View

  7. Missing one. by devinoni · · Score: 4

    Where's slashdot on the list?

  8. Nukes by Wyatt+Earp · · Score: 5

    Well...I know I'll get flamed for this but here goes.

    Actually the advent of Nuclear Weapons and MAD (and to a lesser extent the lessons learned by the Great Powers in WW1) have lead to a period of unprecidented peace in Western Europe. While there have been some clashes (Serbia, Gulf War, Vietnam, Korea) for the most part they have been scaled down because of the spectre of full scale nuclear war.

    Chemical weapons havn't been used on the battlefield in large scale or with much success since the WW1, while there was the Holocaust and that did involve chemical weapons, the Germans wouldn't use gas against the Allies because of the retaliation of gas against the Germans.

    So I'm of the mind that MAD is a good thing.

  9. Refrigeration should be higher by NMerriam · · Score: 5

    I agree that the placement of refrigeration (and air conditioning) is incorrect -- it is possibly the single most important engineering accomplishment of the past several hundred years, right with the printing press.

    Talk all you want about internal combustion, petrochemicals, etc, they are all very important and changed the world, but they did not unquestionably and uniformly improve every aspect of our lives and our existence as a species.

    Without refrigeration, we would not have any other technologies on the scale necessary for modern life. You couldn't have the current phone or electrical grid, computers and most other modern technology would have been nearly impossible to invent. Space travel would be impossible, much air travel would be as well.

    Without refrigeration, our life expectancy would still be about 30-50 years because vaccines and the blood supply would be impossible to make and maintain. Our food supplies would be just as questionable as those at the turn of the last century (when food poisoning was a perfectly common way to die).

    And of course without such reliable ways to safely transport food and other perishables, our economy could never grow to the scale of current urbanization.

    And don't forget that "air conditioning" as it literally means, allows us to control the air in an environment. We can not only make it warmer in the winter and cooler in the summer, we can also control the humidity so that electronics can function properly and valuable materials are not destroyed or contaminated by water vapor.

    To understand the danger of humidity, simply visit the tombs of Egypt, where humidity did not exist until the irrigation projects of the past hundred years. For thousands of years, delicate artifacts sat perfectly preserved, and in the past hundred they have literally begun to disintegrate as humidity attacks them.

    Refrigeration is unquestionably one of the most significant advances in mankind's control over his environment, along with irrigation and fire.

    And like many great advances, it was scorned early on by others. The New York Times (keeping in mind NY made a lot of money by shipping ice all over the country for cooling) published an editorial making fun of "some fool in Florida thinks he can make ice better than God Almighty!"...

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    Recursive: Adj. See Recursive.
  10. They missed the 20th Centuries greatest advance by MosesJones · · Score: 5

    Weapons of Mass Destruction.

    Just think folks, 102 years ago the most that people could kill with one weapon was about a hundred people. What an enlightened time we now live in.

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    An Eye for an Eye will make the whole world blind - Gandhi