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Offline G@RRy S@NDHU

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Top 10 works of engineering genius
« on: January 19, 2013, 01:01:26 PM »
1. Great Pyramid of Khufu, Giza, Egypt



Bigger might not be better, but clearly nobody told Pharaoh Khufu that before he built his pyramid in 2570 BC. More than 2 million limestone blocks, each weighing upwards of 2 tonnes, were hefted to create a beast of a building some 146.5m high – it remained the world’s tallest structure for 4000 years. But never mind the size: feel the quality. Not only was the design supremely accurate – each 230m-long side varies by mere centimetres – the subtleties of its construction are exceptional: the internal shafts point towards important constellations, for example, and it aligns with true north. Oh, and it looks phenomenal.

The pyramids are open daily; two are usually open to the public. Arrive before 8am for the best chance of tickets.
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2. Aya Sofya, Istanbul, Turkey


No, it doesn’t honour some saintly Sophia – this astonishing construction was named for divine wisdom (sophos in Greek). The name is apt, because the incredible beauty of this ancient building, created by the Byzantine Emperor Justinian in AD 537, was possible only thanks to the cunning of the innovative architects who perched its vast, seemingly floating 30m dome on pendentives and hidden pillars. Converted to a mosque after the Ottoman invasion of 1453, Aya Sofya is now a secular monument – but when shafts of sunlight strike the gold mosaics of its cavernous interior, you’ll be forgiven for experiencing a religious moment.

The Aya Sofya is closed on Mondays; come the rest of the week to fully enjoy the wonder of this historic masterpiece.
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3. Indian Railways



A glance at the numbers gives a sense of the what has been achieved since the first train chugged out of Mumbai on the 33km to Thane in 1853; today, over 63,000km of track carries 18 million passengers daily. But that’s skimming the surface; the real engineering prowess is demonstrated in the small details. For example, in 1874, Major Stanton constructed an 88km section – from initial survey to loco commissioning – in a mere 65 days. Such feats were repeated throughout the country and now you can ride on comfortable broad-gauge tracks or switchback up to Himalayan hill stations on toy trains (small mountain trains).

IndRail passes, enabling prebooking of seats and berths, are valid from half-day to 90-day options in three classes.
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4. Guggenheim Museum, Bilbao, Spain



Is it a ship? A flower? A fish? Frank Gehry’s vision for this glimmering creation was unique. Call it deconstructivism or, as did King Juan Carlos, simply ‘the best building of the 20th century’; either way, it continues to astonish. Its flowing, organic lines required a ground-breaking 3-D computer-aided design program, which enabled 60 tonnes of titanium to form sweeping sheets just ½mm thick and specially strengthened glass to curve smoothly around the limestone carapace. Since it opened in 1997, the museum has hosted a dazzling array of works by the likes of Warhol, Rothko and Koons, but it’s the building itself that has kick-started Bilbao’s renaissance.

Guggenheim Museum Bilbao is open Tuesday to Sunday year-round, and Mondays in July and August.
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5. Great Wall of China:



Genghis Khan reportedly said: ‘The strength of a wall depends on the courage of those who defend it.’ True, but it helps if your wall is really big. The original Great Wall was constructed by the 3rd-century Qin dynasty, who coerced hundreds of thousands of workers into hefting an estimated 180 million cu metres of rocks and mud. The later effort by the Ming dynasty (14th–17th centuries) incorporated 60 million cu metres of stone and bricks. Overall, the various walls spanned almost 2000 years of construction, cost millions of lives and stretched some 6500km. No, you can’t see it from the moon but, yes, it is jaw-droppingly impressive.

The sections nearest Beijing tend to be crowded and busy with hawkers; head to Sīmǎtái or Jīnshānlǐng for a less-touristy experience.
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6. Millau Viaduct, France



Concrete: 206,000 tonnes; steel decking: 36,000 tonnes – oooh, don’t stop, you saucy devil! No, really, it is exciting: Sir Norman Foster’s viaduct is an example of the practical – prosaic, even – that is also delicately beautiful. Challenged to build a bridge to span the Gorges du Tarn in southern France, engineers created a record-busting feat of technology: 2460m long, it incorporates the world’s highest pylons, highest mast and highest road deck. But the reason drivers (and tourists) stop and gawp – and they do – is the sense of lightness and fragility something so huge conveys.

The bridge toll is from €5.02 but admission to the visitor centre, open daily, is free.
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7. Lalibela, Ethiopia



A while back, there was a bit of a fad for carving buildings out of rock – think Egypt’s Abu Simbel, Jordan’s Petra, India’s Ellora. But Lalibela takes some topping, not least because the rock-hewn churches are still very much active. Come at Timkat (Epiphany; 19 January) for bustling pilgrims, chanting, incense swirling and a peek at the tabots (holy books). Scores of thousands of workers – some of them heavenly, according to local legend – laboured from the 12th century to dig Lalibela’s 11 churches vertically from the ground. Rough-edged they’re not, though; their exquisite carvings and decorations make them visual treats.

Lalibela’s churches are open daily. To avoid catching fleas from their carpets, try dusting your socks with flea powder.
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8. Falkirk Wheel, Scotland



Boats: great for floating, not so hot going downhill. As for going up – rubbish. If you’re a boat, and you want to head uphill, say, between Scotland’s Forth and Clyde Canal and the 35m-higher Union Canal, what you need is either a series of locks stretching over 1.5km, or a vast steel contraption that rotates a pair of enormous, water-filled gondolas. Each gondola on the Falkirk Wheel carries boats like you on their up or down journeys. It took 1200 tonnes of steel, more than 15,000 bolts and a really, really big crane to put the wheel together in 2001. Unique.

Hour-long boat trips, including lifts up and down, operate daily.
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9. Yaxchilán, Yucatán, Mexico

Maya sites are fascinating – ball courts, pyramids, carved frescoes – and Yaxchilán is cooler than most, perched dramatically above a jungle-clad loop of the Río Usumacinta. A wealthy city during its heyday (AD 680–800), Yaxchilán has exceptional and intricately carved facades and roof combs, but arguably the most interesting feature isn’t even there anymore: a suspension bridge whose 63m central span was the world’s longest for 700 years. The existence of the bridge, posited in the mid-1990s as a result of archaeological research and computer modelling, is still debated, but the idea certainly adds to the allure of one of the Americas’ most intriguing ancient sites.

Yaxchilán isn’t accessible by road or rail; hire a motorboat for the 45-minute journey from Frontera Corozal.
____________________________________________________________________________________________
10. Burj Khalifa, United Arab Emirates



OK, so this one really is all about the size: the world’s tallest building isn’t huge – it’s simply colossal. In the way Gulf states seem to do things (creating vast artificial islands in the shapes of trees, creating the world’s first seven-star hotel, etc), Burj Khalifa didn’t just sneak past the previous incumbent, it roared ahead. Taiwan’s former champion tower, Taipei 101, is a tiddling 509m, while Burj Khalifa is a whopping 300-plus metres taller. It’s so high the air temperature at the top is a full 6°C lower than at its base.

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Top 10 works of engineering genius
« on: January 19, 2013, 01:01:26 PM »

Offline ҂ ȿḉặᵰɗἷἧäѷїѧҋ↔ᶀɍǐȶĩṧӊ ₰

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Re: Top 10 works of engineering genius
« Reply #1 on: January 20, 2013, 05:58:14 AM »
A few of them are pretty fascinating

Offline ਪੰਗੇਬਾਜ਼ ਜੱਟ maan

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Re: Top 10 works of engineering genius
« Reply #2 on: January 22, 2013, 12:30:58 PM »
waaaaah :okk:

Offline ÐèṤἷḷ¡

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Re: Top 10 works of engineering genius
« Reply #3 on: January 22, 2013, 12:49:32 PM »
I don't know about other stuff but 'No. 10 ' is one of my Favorite place i been there last month .
This building very strong but i like the most world fastest lift inside - from Ground floor to 124 floor it just takes 30-40 sec and inside you feel normally :)
the view is very good on top i took some photo which i want to share





you feel like you are top of the world :loll:

inside view ( Interior ) i have already posted
http://punjabijanta.com/pics/burj-khalifa-interior/msg417722/#msg417722




Offline G@RRy S@NDHU

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Re: Top 10 works of engineering genius
« Reply #4 on: January 30, 2013, 08:37:27 AM »
bht vdia mirze veer :okk:

Offline Abcdefghh

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Re: Top 10 works of engineering genius
« Reply #5 on: January 30, 2013, 08:56:56 AM »
garry pher tusi ki bnaun da plan bna rahe aa :hehe:

Offline G@RRy S@NDHU

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Re: Top 10 works of engineering genius
« Reply #6 on: January 30, 2013, 08:59:35 AM »
garry pher tusi ki bnaun da plan bna rahe aa :hehe:
kothi pauni motar te ghaint jyi roop :hehe:

Offline ʍʊռɖǟ ǟɖɮ ֆʊɮǟɦ ɖǟ

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Re: Top 10 works of engineering genius
« Reply #7 on: January 30, 2013, 09:02:56 AM »
bai kadar paa reha puri tu mere varge engineer di :D:

Offline Abcdefghh

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Re: Top 10 works of engineering genius
« Reply #8 on: January 30, 2013, 09:04:17 AM »
:hehe: chalo kuch te bnauna

Offline G@RRy S@NDHU

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Re: Top 10 works of engineering genius
« Reply #9 on: January 30, 2013, 09:05:31 AM »
:hehe: ......

Offline powerlifter

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Re: Top 10 works of engineering genius
« Reply #10 on: April 07, 2015, 11:42:57 PM »
Visiting giza Egypt soon.. Thanks for sharing engg Saab.

Offline G@RRy S@NDHU

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Re: Top 10 works of engineering genius
« Reply #11 on: April 24, 2015, 07:59:38 AM »
ur welkm bro

Offline G@RRy S@NDHU

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Re: Top 10 works of engineering genius
« Reply #12 on: October 13, 2016, 10:46:35 PM »
Visiting giza Egypt soon.. Thanks for sharing engg Saab.
power ja aya :wait:

Offline mundaxrisky

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Re: Top 10 works of engineering genius
« Reply #13 on: October 14, 2016, 03:01:18 AM »
YOO INDIANS  watch n learn smthin frm dez pakiz lol. Pakistan made its first home made "HELICOPTER"  :sharab: :laugh:

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Offline DanielMef

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Re: Top 10 works of engineering genius
« Reply #14 on: June 22, 2017, 03:55:13 AM »
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Крем для кожи вокруг глаз используют в утренние и вечерние часы. Экстракты водорослей, белой лилии и другие полезные вещества питают влагой тонкую кожу, разглаживают мелкие морщинки, удаляют отеки или неприятные круги под глазами.
 
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Способен повысить внешнюю сопротивляемость эритроцитов, увеличить потенциал клеток артериальных мышц. Под действием аппарата энергетические потоки преобразуются, наполняя заряженными ионами слабеющие клетки стенок артерий.
 
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Чистящее средство для унитаза Dicho "Тяньши" удаляет стойкие загрязнения, известковый налет и пятна от ржавчины, эффективно справляется с неприятными запахами, надолго оставляя длительное антибактериальное действие.
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