How has the magnet changed the world?

On your baby, have you ever been curious to break the favorite radio of your grandparents or the old speaker of your house to discover a small magnet attached in the sound department?

The magnet is small but has many surprisingly large uses

But did you know, the small magnet - a toy in many people's childhoods also possesses many interesting uses, a great contribution in the science and technology. With the application of magnets in scientific research, many of you will feel proud and not " startled".

Let's explore modern inventions that apply magnetic forces from magnets through the article below.

1. Help the train run at super speed

In early 2014, Japan broke the speed record of ships in the world with the type of ship that can run at speed . 366 miles / hour (nearly 600km / h) by applying magnetic force.

Japanese high speed magnetic spacecraft

This type of ship completely depended on the inherent wheel for magnets. The operational resources of the railroad cars are produced by superconducting magnets fixed on the hull and magnet coils installed on rails. These magnets with the constantly changing North - South polarity create a pull - push, move the ship.

What's even more interesting is that this ship seems to be "running like a flying". Because when the train passed, the magnet coils attached in the rails mentioned above combined with magnetic force coming from the hull caused a pull - the second push was born, lifting the ship off the road. ray about a few centimeters.

Mechanism of magnetic cushioning operation

These miraculous magnet rolls are ' made in Japan ' products, which have a U-shaped shape and are more resistant to flip ships. Thus, this type of ship is not only faster, 'greener' but also safer and quieter than electric trains or oil tankers.

Electric trains with the same speed as aircraft using propeller engines are considered a spectacular jump in the transportation industry.

This type of transport is being cherished by big cities in the world such as Shanghai, Seoul . and in the future may appear in Vietnam.

2. Help skis fly in the air

Surfing on a flying board often seen in American action movies must be the dream of many people. Their dreams can now be realized, when a major technology firm in the world has recently launched a type of skateboard that is rated 'unbelievable' .

With the appearance of a regular skateboard, this special board can 'fly' and glide about 3cm from the ground.

The Hoverboard flying board in the movie is now a reality

The secret of the hoverboard is the four hidden engines. They are made from electromagnets capable of producing magnetic fields strong enough to interact with each other to win the magnetic field of the earth, similar to the mechanism of the cushioning vessel from above.

Although there are many drawbacks, this skateboard is a testament to the miraculous applicability of magnet technology.

Perhaps the near future, the image of " cloudy wind" surfboards will become more familiar to people all over the world.

3. Develop a drug that detects cancer

The development of technology in recent years is making great strides and magnets are one of the factors that contribute to these achievements.

Thanks to magnets, scientists are developing a pill that can detect cancer cells in the human body.

The pills can help detect and treat cancer early

Accordingly, the tablet will contain tiny magnet molecules , which can " sniff" the cancer-causing cells early. When entering the body, magnet dust will immediately cling to the cell wall that has the potential to cause cancer in the blood vessels, then send the results to an external wrist device.

This will help doctors soon discover cancer , thereby having appropriate treatment direction, reducing the consequences for patients.

Some people are concerned that magnets will harm the body but according to scientists, magnet dust in the medicine is extremely small so it will not cause any harm.

4. Indispensable component of helmet to reduce injuries when playing sports

Do not stop at the medical field, magnets also embark on both sports , contribute to this very modern protective equipment.

Sports injuries , such as American rugby, can lead to major injuries to players. In 2013 in the US, there were 123 injuries at the beginning caused in this sport.

Current sports helmets can only protect the skull, while the brain is still in danger. But from now on, this worry was probably temporarily quelled.

Such collisions are always at risk of brain injury for athletes

Raymond Colello - Virginia Commonwelth University professor confirmed that, if added to the front of the current sports helmet, a super-light magnet , it could act as a 'brake ' system, reducing the shock. In the first collision.

Magnets work to reduce the impact on the head when playing sports

The mechanism of this idea is quite simple. When two players are about to rush into each other, the magnets attached to the two caps will push each other out with the same mark and make the two heads "brake" , minimizing the risk of brain injury.

5. Turn the road for self-driving cars into reality

The construction of unmanned vehicles is currently a fierce race among major technology corporations in the world.

And of course, to ensure safety for these types of vehicles, it is necessary to build a special highway system dedicated to these "super products" .

One of the test samples of "autonomous cars" in the future

In 2013, Swedish car brand Volvo announced that it had completed the study of putting a magnet mounting system on highways.

These magnets act as navigation systems for self-driving vehicles, helping them to not deviate from the road and cause accidents.

More specifically, this magnet system has a huge advantage, which is to operate absolutely accurately in any weather condition, far from the " predecessor " is the GPS navigation system.

High-speed auto magnet for auto cars

However, the installation of this road system is not simple. The application of self-driving car technology by countries will certainly not appear in the near future.