It’s true that time is money! This Japanese guy spent 5,000 yen in 9 days to build a "time machine" and rewind it for 1 minute for only 1 yen

​When we were in elementary school, in order to teach children to cherish time, adults would tell them that an inch of time is worth an inch of gold, and an inch of gold cannot buy an inch of time.

I don’t know if anyone has ever asked this question. If I have an “inch of gold”, where should I buy this “inch of time”?

Don't worry, this "time machine" has now been produced in Shizuoka, Japan. The most important thing is that to buy "time", you don't need gold at all, it only costs 1 yen per minute.

How about it? Is it a good deal?

This "time machine" has also been enthusiastically sought after by netizens once it was launched. As of now, the number of likes on this tweet has exceeded 187K, and the number of retweets has exceeded 187K. 38K.

Some netizens couldn’t help but lamented that when they were young, they thought money was very important and worked hard all the time. When they became elders, Sometimes I really hope that I can use money to buy more time with my children.

Some people said that if calculated according to this price, it would be 1,440 yen per day, 10,080 yen per week, 43,200 yen per month, and one year. 525,600 yen. In other words, if one year is wasted, it is equivalent to a loss of 500,000 yen.

Building a “time machine” only costs 5,000 yen? !

It is understood that the composition of this "time machine" is very simple, a stepper motor, a microcomputer board Raspberry Pi Pico purchased in Shinjuku, and a coin selector purchased on Amazon .

Coin input is completely based on personal choice, and a total of 6 sizes of coins are supported, ranging from 1 yen to 500 yen. After inserting the coin, the coin selector will identify the thickness and size of the coin. After receiving the relevant instructions, the circuit board composed of the Raspberry Pi calculates the minutes to be rotated based on "1 yen = 1 minute", and then transmits it to The pointer is connected to the motor and then reverses.

According to producer BB Colley, the production cost of the entire "Time Machine" project was only about 5,000 yen. The coin selector costs about 3,000 yen and the Raspberry Pi costs 550 yen. At the same time, he chose to use a stepper motor instead of an ordinary motor so that the pointer could stop at the designated position more accurately. ​

BB Colley recalled that the inspiration for making this "time machine" actually came from chatting with friends. When he talked about "what if there was something like a piggy bank that could It would be nice if you save your time." With the professional sensitivity of an infrastructure engineer, BB Colley completed the entire project in the next 9 days, using time after get off work and weekends.

##This is a way to ask questions to humans

In fact, In modern society, the phenomenon of buying time with money is very common.

BB Colley said during the interview that in many cases, ordinary people will choose to sacrifice time in order to reduce costs, such as choosing the departure time of trains and planes; in comparison, It is said that wealthy people will hire domestic services to reduce the time spent on housework, so as to gain more time for work or entertainment.

"Rich people use their money like they charge for their time."

At the same time, he added that some part-time anchors also often complain about the lack of time, or lament such as "If possible, I really hope to extend the time to more than 24 hours."

Therefore, "I made this project with great enthusiasm to satisfy the desire of many people in today's modern society for time. To put it lightly, it is also a way to The way humans ask questions.”

It is not enough to have such creativity, you must also have certain practical ability.

BB Corrie has been fond of making crafts with Lego bricks and empty boxes since he was a child. When he was a student at Kitakyushu National Institute of Technology, he also participated in the "National Institute of Technology Robot Competition". After graduation, he also made many interesting gadgets, such as a glove that can definitely win rock, paper, scissors and so on.

When talking about his own creation, BB Corrie said that many teams or individuals often choose to put technology first, but my work emphasizes more on the basis of "people-oriented" using digital and analog technologies. For example, the "Time Machine" is also very friendly to people who are not familiar with knowledge in related fields. In the future, more creations will be used to reflect the concepts of daily life and express the relationships between contemporary people and other themes.

Can a time machine really be built?

According to Einstein's special theory of relativity, time is relative. As long as you move fast enough, time will slow down relatively.

Will this be a breakthrough in building a time machine?

Paul Sutter, an astronomer at Ohio State University in the United States, once said that the faster you move in space, the slower time passes. Scientists have learned this from the ultra-accurate speed of jets. Atomic clocks are used to measure; or, those astronauts living on the International Space Station (ISS) are actually time travelers. Since the International Space Station flies at a speed of about 8 kilometers per second, the time of the astronauts passes more than that of the earth. People going up are slower.

A pair of identical twin brothers Mark Kelly and Scott Kelly in the United States were both astronauts. The elder brother Mark Kelly served in space for a total of about 54 days, and the younger brother Scott Kelly served for 520 days. When the younger brother retired after completing a one-year mission in 2016, NASA found that the age gap between the two had widened.

In 2019, according to foreign media reports, the European Large Hadron Collider was able to impact protons at nearly the speed of light. , causing time to be 6,900 times slower relative to a human observer.

In a sense, these subatomic particles are actually sent into the future.

If you want to complete time travel with a human body, you need a spacecraft that can move at the speed of light. For example, Popular Mechanics said that if you want to travel to the world 3000 years in the future, you only need to board this light-speed spacecraft now, sail to a planet 500 light-years away from the earth and come back. Although your journey only takes 10 years, the earth It has been 1,000 years.

But these theory-based time travels are always about the future, not the past.

Currently, it is still impossible to go back to the past. Perhaps as humans explore unknown areas As we continue to deepen and the scientific level of development gradually improves, we may really be able to build a real time machine that can not only travel to the future but also go back to the past.

But before that, it’s better to live every day without regrets. ​

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