The outside world.

As this drizzle fell.

Many events that would have developed in another direction quietly reached a turning point.

These matters vary in size and importance.

Among them are national strategic plans, small businesses of ordinary families, and petty squabbles among common folk in the market.

This drizzle is like a broom.

It swept away the hostility and garbage in society completely, causing countless people's life trajectories to change silently.

And when these countless quantitative turning points accumulate, certain qualitative changes will naturally occur.

Of course.

This qualitative change cannot be seen by the naked eye, nor can it be touched, and it may take a very long time to truly see its effects.

From the rulers to the common folk, at most, they just feel that many things seem to go more smoothly than expected, nothing more.

Therefore, Xu Yun, who was in a closed space, naturally could not know these changes.

He could only speculate from the literal meaning, thinking it was likely a buff similar to a blessing, a common effect in games.

But he didn't quite understand what this +1 effect was.

Then he temporarily set aside his curiosity and focused back on the small balls.

He had already opened four small balls earlier.

He got a Time Album, a Formula Card with no explanation, a surprise egg, and a buff.

Although these rewards each had their own characteristics and weren't of low value.

They didn't seem to be real-life technologies like the Imidacloprid formula.

He wondered if there would be any other black technologies in the next four small balls?

Thinking of this.

Xu Yun couldn't help but stretch out his hand and poke the fifth bubble.

Pop~

A moment later.

A scrap of paper floated in front of Xu Yun again.

He instinctively grabbed the paper.

The texture of this scrap was very soft, only the size of a band-aid, and the content was very simple, just one landmark:

Longitude: 117.26132

Latitude: 31.83843

[Hint: This is a coordinate, guess what you'll find?]

Xu Yun immediately frowned.

Although his major is science, which doesn't intersect with geography, and he hasn't really come across longitude and latitude information in his spare time.

But as a Ke Da person through two lifetimes, he has some impression of these numbers:

Ignoring the last few digits, just looking at the first five digits, isn't this the Ke Da campus?

As for where the last few numbers are, it's hard to say, but certainly within the Ke Da campus.

Within the Ke Da campus... what could be there?

Surely not more cockroaches?

Besides...

If it were a girls' dormitory, what then?

With this slightly subtle feeling, Xu Yun stored the paper carefully and continued to open the sixth light ball.

Pop~

The moment he saw the transformation of the light ball, his brows instantly raised slightly:

The sixth light ball also turned into a small piece of paper, but this scrap seemed familiar to him:

At first, the paper containing the Fifth Generation Imidacloprid formula was of this material and specification.

Sure enough.

When the scrap fell into his palm.

Xu Yun spread it out in his hand, seeing a line of words written distinctly on it:

[DNA Storage Technology: This is a very interesting technology, but it also requires a little bit of effort for research, are you ready, young man?]

[Evaluation: Don't engrave everything into DNA, you scoundrel, except for Feng Hualian's rare videos before her retirement.]

"Wow, DNA Storage Technology?"

As a biologist, Xu Yun in this lifetime is relatively familiar with cutting-edge biological technology.

In the current advanced field of biology.

DNA storage technology has always been a project with low dissemination but is recognized as having great potential.

The theoretical basis of this technology is very simple:

Firstly.

The current computer data is stored using 0s and 1s, i.e., binary.

And students who didn't drive their biology teacher crazy should know.

Each position in DNA has only four possibilities:

AGCT.

If bases are assigned values, for example, A+T = 0, G+C = 1, then chemical signals could be converted into digital signals.

Hence, a DNA can be seen as a binary data storage material.

As for why to use DNA as a data storage material?

The reason is also simple.

The amount of information generated every day on Earth has already greatly exceeded the total of the past 5000 years of human civilization's evolution history (Source: International Data Corporation).

This is also the origin of the term big data era.

According to current trend estimates.

In just one year, 48ZB (1ZB = 10^12 GB) of data will be generated.

By 2040.

At least one million tons of silicon-based chips will be needed globally to store the data produced in that year.

So, someone has set their sights on DNA.

Technically speaking.

Besides binary effect, DNA can be artificially synthesized from the start using a solid-phase synthesizer.

Besides, DNA can be massively amplified in laboratories through PCR technology.

This ensures the convenience of synthesizing large amounts of DNA with desired sequences.

As for the advantages of using DNA for information storage...

Of course, they are high storage density, low energy consumption, long storage cycle, etc.

For instance, DNA storage density can reach 10^19 bit/cm3, meaning theoretically only one kilogram of DNA is needed to store the current global information total.

In 2012.

Church and others at the University of Pennsylvania used DNA synthesis technology to store a book, including 53,426 words, 11 pictures, and 1 JavaScript program, totaling 5.27MB.

Later, they stored an animated gif within DNA, which could be imported into Escherichia coli for self-replication.

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