Chapter 51 Double-slit experiment

  As the person with the lowest education level present, Samuel Coleman was embarrassed from the first minute after the professor Tiantuan arrived, serving tea and water, and asking about his health.

   Don’t even dare to call yourself a scholar.

  In addition to listening to the opinions of the professors and the art of swearing without swearing, most of the time is spent counting the few hairs on the top of my forehead.

  The scariest thing is more than that. When his tutor Sir Daniel asked him to talk about his thoughts, under the "kind" gaze of the professors, Coleman wished he could evaporate on the spot.

  He even felt that even breathing had become a mistake at this moment, until... Tu Fu pushed the door open.

  Mr. Coleman's eyes burst into a strong brilliance.

  Finally, the savior came.

  He can't compare to these academic leaders here, but he is more than enough compared to a kid who hasn't gone to college yet.

   "...Mr. Coleman."

  Tufu came in and called the titles of the professors one by one, and finally greeted Mr. Coleman.

  The other party didn't take offense at the address of "Sir", and Mr. Coleman showed a relieved smile.

   Gently patted the student on the shoulder, "Come on, hurry up, explain your conjecture about the composition of light to the professors, even if you are wrong, no one will blame you."

   "Yeah, kid, talk about what you think, it's a pretty interesting question."

  The old Sir Daniel held a pipe and looked at the young student with interest. The professors of the Seven Schools Alliance sat in a circle and looked at themselves.

  It's very similar...the way you are doing your graduation defense in front of your tutors.

  Before coming here, Tu Fu heard Mr. Layton talk about the identities of the professors.

  The top scholars in the field of natural science from all over the North Continent have come to this little-known academy, and one of the purposes is to have a "friendly exchange" with the person who raised this question.

  But in fact, including Sir Daniel, they didn't place much hope on this child, but they were more interested in his thinking mode.

  I just want to check with my own eyes to determine whether I have the potential to be a student under the name of income.

   Similarly, for Tu Fu, there is no better opportunity to show his self-worth than this.

   "Gentlemen, in fact, in my opinion, just particles or waves are a complicated problem. If even the professors can't explain it, it is obviously inappropriate for me to draw any conclusions."

  Tu Fu's words were very tactful, he paused for a moment before smiling and said, "Why not do a reference optical experiment to determine whether light is composed of waves or particles."

  Tu Fu did not directly put forward the conclusion of the wave-particle war that lasted for three hundred years—“wave-particle duality”.

  This seemingly simple answer almost every student who has attended high school physics knows some required knowledge points.

  Black body radiation, photoelectric effect, energy quantum, thermal radiation...

   That war in the physics world experienced Newton, Hooke, Huygens, Planck, Bohr, Einstein, Heisenberg, Schrödinger... almost all celebrities in the history of physics participated in the most thrilling war.

  The "light-particle dual image" has gone from the macrocosm to the microcosm, and from quantum mechanics to matrix mechanics. It cannot be explained in a few simple words, nor can it be explained clearly by current technology.

  Instead of proposing the conclusion of that cross-era development, it is better to throw out an early concept of wave-particle warfare, I believe this is enough to shock the gentlemen.

   "An experiment?"

  Professor Edmund, the head of the department at the University of Göttinghagen, touched his chin, "Tell me specifically, no matter what complicated experimental equipment you need, Columbia University can meet your needs."

   "No, this experiment only needs three simple components." Tu Fu stretched out three fingers, "A light source, a piece of cardboard with two slits, and a screen for receiving the projection of the light source."

   "What are you going to do?" The old jazz felt that this expedition was getting more and more interesting.

  Tu Fu raised his head and said loudly: "Put the light source in front of the cardboard with double slits, and watch the final form of the light projected on the screen."

  After a brief silence in the office, the scholar from the Lantis Royal Society couldn't help but admire, "What a genius idea."

  All of you here are experts in the field of natural sciences. When you hear this fantastic idea, you will naturally understand the principle of this simple experiment.

  If the light is really a particle, then it must simply be emitted directly forward, facing the double slit left by the cardboard, and the particles randomly pass through the left or right slit, and only two bright spots will appear on the screen.

  If light is a kind of wave, similar to the composition of water waves, then the light rays will undoubtedly interfere with each other after passing through the double slits, resulting in multiple bright and different stripes.

  After Tu Fu repeated the principle, this wonderful concept immediately made Sir Daniel shout excitedly: "Samuel, take me to the laboratory immediately."

  Poor Mr. Coleman, after hearing the conjecture put forward by Tu Fu, the last bit of pride in his heart was crushed to pieces. His two empty eyes began to glow, as if he was about to glimpse the door of truth.

"yes."

  Hearing the mentor's call, Coleman, who is over fifty years old, quickly led a group of big figures in the academic world, and walked out of the office in a hurry.

"professor!"

   "Where are you going?"

  Those professor assistants waiting outside the door saw this scene.

   This group of old fellows, whose combined age is close to a thousand years old, did not have the elegance of the past at all, and ran out scrambling to the outside, and they couldn't even hear the assistants' shouts.

   I am afraid that if I delay for a while, I will miss the upcoming historic scene.

  Even though it is only an elementary education college, the experimental equipment is simple, but fortunately, the devices required for this experiment are very common supplies.

  Standing in the laboratory, he took the searchlight from Mr. Coleman, while Tu Fu cut out a double-slit cardboard, and there was a white curtain in front of him.

   They are all simple experimental devices, and the movements are not difficult to operate.

   But the difference is that there are more than a dozen pairs of eyes watching his every move, as if maintaining a certain tacit understanding. Every professor in the Seven Schools Alliance is concentrating and holding their breath for a short time to maintain the tranquility in the laboratory.

"it has started."

  In this sacred experimental environment, Tu Fu set up the experimental devices one by one, and first turned on the wrapped gas lamp with a "click".

  The only string of orange-yellow straight beams of light penetrated the air, and it was this seemingly insignificant beam of light that ignited the fuse of a war of hundreds of waves across two time-spaces.

  Perhaps after today's experiment is over, the battle between light particles and waves will continue.

  Continuing until hundreds of years later, the basic technology has improved again, and people will improve this experiment again and again, and put forward more possibilities to refute and overthrow the current answer that is not so correct.

   But now, this bundle of light symbolizing truth, selected by history, passed through the double-slit cardboard steadily, and finally fell on the white screen like water waves.

   Streaks appear.

   After passing through the cardboard, the light forms light and dark interference fringes.

   "Om!"

   It was the scholar, the professor and the old jazz who made this exclamation, and everyone was immersed in a huge shock.

  The God of Order, who is in charge of truth, seems to have made a verdict at this moment.

  God guides the world in the right direction.

  The historical choice is the wave school.

   "This is an experiment that is destined to remain in the annals of history." The old jazz who supported the wave school burst into tears, and he was trembling with excitement, "What name are you going to give it?"

  Tu Fu nodded seriously, silently apologized to the great Mr. Thomas Young in his heart, and then slowly said: "There is no more suitable name than 'double-slit interference experiment'."

   1492, June 25th.

  On this unusual day, people will always remember that the first wave-particle war ended with the great "double-slit experiment" put forward by the young man Tuf Capet, which temporarily stopped the war.

  PS: I recommend this book to everyone, "I Explain Weird Powers and Chaos Gods with Science", the author of this book is really well written.

  (end of this chapter)

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