The most costly mistakes ever happened in history, there are cases of tens of billions of dollars

These are silly mistakes that can be avoided if a little more careful calculation.

14. collapsed apartment complex in Shanghai

Lotus Riverside apartment complex in Shanghai consists of 11 13-storey buildings. Everything had nothing to say until one morning, one of them suddenly collapsed. Fortunately, when dumped, this building does not overlap with neighboring buildings and causes a domino effect. The reason for the incident is that the investor does not comply with construction standards and the construction works are constructed with poor quality.

13. Missed the 150-year-old guitar during filming

The guitar that Jennifer Jason Leigh played in Quentin Tarantino's "The Hateful Eight" is actually a super rare instrument, created 150 years ago, which was borrowed from the Guitar Martin Museum by the film crew. In one scene, this 19th-century six-second guitar should have been replaced by another fake, but it seems that actor Kurt Russel was not informed about it and accidentally smashed the antique. this thing into pieces.

12. Buying wrong 2,000 electric trains that do not fit the rail size

In 2014, the railway company SNCF decided to modernize its transportation network and ordered 2,000 new trains with a total value of up to 15 billion Euros. Unfortunately, the data on the track they received belongs to the design stations in the last 30 years, many of which are old and a bit narrower than the requirements of new ships. . As a result, the company had to spend an additional 50 million Euro to widen the track.

11. Print wrong one glass, go immediately 225 million USD

Japan's securities company Mizuho Securities wants to sell a stock for 610 610,000 (about US $ 5,000) on the Tokyo Stock Exchange. However, a stock broker, not sure if he was sleep deprived, made a "small" mistake when entering data. He entered an order to sell 610,000 shares for only 1 yen per share! Although the company later corrected it, the trading platform handled the code, which made them sadly accept the loss of $ 225 million.

10. Design errors, submarines cannot float out of the water because they are too heavy

The Spanish government has invested up to £ 1.75 billion to build a new submarine called Isaac Peral. However, during construction, it was discovered that submarines were too heavy and there was a risk of being unable to float out of the water once they had dived. It turned out that someone had mistakenly calculated a few parameters right from the design stage. The solution is to extend the hull to distribute the volume more reasonably.

9. Trade deal with Alaska between Russia and America

At the end of the 19th century, Alexander II of Russia saw Alaska as a land of snow and snow. So in March 1867, Russia decided to sell off this vast territory to the US for only 7.2 million USD. Considering the exchange rate between the Ruble and the Dollar at that time was almost equal, the Russian side answered a little from the deal, in exchange for losing all the natural resources worth billions of dollars.

8. Millennium, the dancing bridge

Millennium Bridge, connecting the banks of the River Thames in London, was inaugurated in 2000 and closed almost immediately afterwards. The reason is that if there are too many people going to the bridge, it will shake violently. The initial construction cost was £ 18.2 million, but to use the safe bridge, another £ 5 million was required to rebuild and add structures to stabilize the movement.

7. NASA spacecraft lost

The Mars Climate Orbiter was developed by NASA to study the climate on Mars. However, because of an unbelievable mistake, entering the atmosphere, the ship lost contact with the ground. To transmit coordinates, a NASA crew used Imperial units (feet and yards), while another crew used Metric. As a result, the ships were too low in Mars to burn to ash.

6. The sale of Apple stock in 1976

Ronald Wayne is one of Apple's founders. He created the company's first logo and wrote a manual for the Apple I. computer. In 1976, he decided to sell a 10% stake for $ 800, mainly because he owned some assets. can withdraw if the company goes bankrupt. It was a hasty decision: if he kept those shares, he might have become a billionaire at this time, when their value now increased to 80 billion dollars.

5. Building buildings make cars melt

With a pan-like design, plus a glass surface, the Walkie-Talkie building in London unknowingly becomes a giant mirror. The reflected light from the building was so bright that it melted the cars parked nearby. Some people even fry eggs thanks to this building. To prevent a disaster, people had to attach sun screens to the building.

4. Leaking water

In 1980, because of oil drilling, a lake with more than 13 billion liters of water was leaked. In the process of drilling wells, it was mistakenly calculated that the drill lost the dome of a pit mine below Lake Peigneur (USA). Gradually, salt and water mix and erode the small borehole into a huge hole. This hole led to the formation of a whirlpool that attracted both the drilling rig and 11 barges, a tugboat, several trucks, and even a small island in the middle of the lake. Unexpected luck is that no one is hurt.

3. Throw bitcoin to the landfill

In 2009, bitcoin has just appeared, so digging this currency is quite easy. The Englishman, James Howell, collected 7,500 dongs of coins, at which point it was almost worthless. By 2013, the value of this bitcoin had risen to $ 7.5 million, but ironically, before realizing his luck, he threw away a bitcoin-containing hard drive to the landfill!

2. Vasa - the sinking ship

Vasa, the ship was built on the order of the king to lead the Swedish navy fleet in the 17th century. But this "super product" could not even leave Stockholm Bay and sank as soon as it left the dock. ship. Because of a design error, the ship became extremely unstable. Only a gust of wind blew over, it was capsized and quickly sank to the bottom of the life before the dismayed gazes of thousands of witnesses.

1. Bridge span collapsed on Han River

The bridge over the Han River in Seoul became famous after it suddenly lost a beat in the 1994 rush hour. The center of the bridge could not withstand the load and fell into the river, dragging many cars and cars. Small loads, and a bus full of people. The cause of the bridge collapse is because the steel structure supported by the bridge is too sketchy.