Chapter 16 The Fruit Battery and the Voltaic Pile

After a lot of thinking, Richard has a guess that the so-called "highly activated state" is likely to be the "energized state".

In a normal human body, cells in the body carry out metabolism and nerve signal transmission, which are accompanied by the flow of potassium and sodium ions on the cell membrane, thereby generating bioelectricity. This kind of bioelectricity is very weak, and the voltage is generally in the millivolt level (millivolt is mV, 1 volt is equal to 1000 millivolts).

Although weak, bioelectricity is of great significance to people, and its changes can directly lead to changes in cell metabolism or function in the body. For example, when a nerve fiber is locally stimulated, the excitability at the cathode increases and the membrane potential decreases (depolarization), and the excitability at the anode decreases and the membrane potential increases (hyperpolarization).

According to the description of the construction of the source of law in "The Chapter of Monroe", it is obvious that some kind of transformation has occurred in the body structure. Among them, the so-called spiritual power is used, which is most likely related to this bioelectricity. Perhaps it is to increase the bioelectricity in the human body to a certain extent, so that the body can open up a new "organ" of "law source" under the action of spiritual power.

Of course, this is just a guess, and it remains to be verified whether it is right or wrong.

The main reason why Richard wants to call two maids is to try to make a battery that can release current for testing in the current Middle Ages, which has nothing to do with "electrification" at all.

First of all, what Richard is going to make is the simplest fruit battery. The raw materials only require a piece of copper, a piece of zinc, a piece of wire and a fruit.

Because the active types of copper and zinc are different, after the fruit is inserted, the zinc sheet will undergo an oxidation reaction, lose electrons and flow to the copper sheet, thereby generating an electric current in the wire.

Because there is no difficulty, Li Cha simply said a few words and let the maid An Qi make it. The other party did not let Li Cha down. The production was soon completed, and he saw a thin iron wire connected to a nail-sized piece of copper and zinc, inserted into a pear.

The maid An Qi carefully handed the fruit battery to Li Cha. When Li Cha took it and touched it, he frowned and immediately knew that the fruit battery was not qualified.

It's not the production problem, after all, the production method is so simple that it is impossible to make mistakes, but the problem of the fruit itself. Because the juice of the fruit is acidic, the chemical reaction can succeed, thereby generating an electric current. But fruit juice is still too weakly acidic compared to real acid, so the current and voltage generated are too small.

Li Cha felt it, and estimated that the voltage was less than 0.5 volts and the current was less than 1 mA. This level of current was stronger than the normal biological current of the human body, but it was too reluctant to have any effect on the inside of the body.

After all, there is resistance in the human body. If the bioelectricity is spontaneously increased in the body, it is naturally nothing, but it is impossible for a normal person without the talent of a wizard to do it. In order to apply current from the outside to have an impact on the body, and to use a scientific method to crack life remodeling, it is necessary to overcome the resistance of the human body as high as 1000Ω or more, and a stronger current must be applied.

Now the question is, how to get stronger current?

Li Cha frowned, thought for a few seconds, and began to ask the two maids to make different fruit batteries.

Different types of fruits have different acidity of juice, so the electric current generated will be divided into strong and weak. Find the strongest one, you may be able to ignore the body's resistance of more than 1000Ω and meet the requirements.

The fruits of the Middle Ages are not too small to count. The common ones are cherries, strawberries, blackberries, apples, pears, cherries, plums, grapes, Western plums, gooseberries, mulberries, sloes, figs, sea ​​​More than a dozen kinds of dates, limes, lemons, etc.

Li Cha gave an order, and naturally someone prepared these fruits. In a short time, except for some that have not matured due to seasonal reasons, the rest are placed on the experimental table.

Li Cha waved his hand, and the two maids, An Qi and Luna, quickly made them. After a while, various types of fruit batteries were placed on the table in two rows.

The one on the left is Angie's, and the one on the right is Luna's. Obviously, Angie made a lot more.

Li Cha didn't make many comments. He reached out and picked up a fruit battery and tested it with his body. After a while, he put it down and picked up another one.

After repeating this many times, after testing all the fruit batteries, Li Cha already had an understanding in his heart. Because of the different acidity of the fruit, some of them indeed emit a stronger electric current than the original pear, such as apples, such as gooseberries. The strongest of these is the lemon, but even then the voltage is just over 0.5 volts and the current is just over 1 mA.

Under normal circumstances, the minimum current that induces sensation in adult males averages about 1.01mA. That is to say, under the action of human body resistance, this level of current is just enough for an ordinary person to perceive.

This is not what Richard wants.

Li Cha stood in the laboratory and frowned deeply. The two maids looked at Li Cha's solemn expression, looked at each other and did not dare to breathe, and lowered their heads carefully. Although they knew very well that His Royal Highness would not lose his temper casually, nor would he punish his servants for no reason, it is not a good thing for His Royal Highness to be unhappy.

Li Cha didn't know what the two maids were thinking, but continued to think seriously about the solution to the problem.

How to get stronger current?

Maybe make batteries out of other plants than fruit, give it a try. For example, the famous potato clock is made of potatoes.

But...the current Middle Ages don't seem to have potatoes.

After all, according to the development of modern earth, it was not until the era of great seafaring after the Middle Ages that someone spread potatoes from South America to Europe.

In the current world similar to the Middle Ages, Richard cannot be sure whether it is the one in the history of the earth, whether there is so-called South America or Europe. But no potatoes are real, so don't think about potato clocks at all.

Having said that, even if a potato clock is really made, there is a high probability that it may be a waste product. After all, in order to ensure the normal growth of plants, the acidity cannot be too strong. It is very likely that after trying all the plants in the current world, the current produced by the battery is only within the same range.

In this case……

Li Cha narrowed his eyes and flashed quickly.

In this case, only real batteries can be made, such as voltaic piles.

The Voltaic Pile is the first recorded generator in modern Earth history, invented by the Italian Volta on March 20, 1800. The structure is slightly more complicated than the fruit battery, but it is not too difficult. The key is the preparation of materials.

If so, then...

Richard turned his head to look at the two maids and quickly issued an order: "Angie, go and prepare some salt water with a moderate concentration. Luna, come with me, trim these linens to the same size. Then put these fruit batteries in Treat the copper sheet and zinc sheet, cut it into a ring..."

After Richard finished speaking, the two maids quickly responded and started busy.

Not long after, the materials were ready, and Richard began to make voltaic piles himself on the experimental table.