Ahhh… It’s really so confusing…” Xu Ying rubbed her hair irritably, “So much has happened in the past fifty years. How come everything feels so different after just a fifty-year jump…”
Fifty years ago, there were no survivors, and fifty years ago, the human base in the underground world was not so passive. Fifty years ago, it was her brother Xu Xin who handled most of the things.
"Or, I'll jump back..." Xu Ying suddenly had a bold idea in her mind, but then she killed it herself and shook her head violently, "No, no, no, it's too dangerous."
"What are you thinking about? Jumping back?" Li Wenxi was curious about Xu Ying's sudden action. "Have you thought of a solution?"
"Ah..." Xu Ying gave a wry smile, "I've come up with a solution, but the price is the potential destruction of the world."
Her words made Li Wenxi and Wei Shishi slightly stunned.
"...Now is not the time to joke around." Wei Shishi rolled her eyes slightly. "I have something else to do here, so I'll leave first. If there's any news from Grandpa, I'll let you know."
"Oh, you're just leaving?"
Wei Shishi didn't explain much. She took the people she brought with her into an armored vehicle and left.
"What..." Xu Ying sat down on a large rock beside her, supported her hands behind her back, and looked up at the dome. "What should we do now? We can't get up..."
"Aren't you able to teleport?" Li Wenxi sat down beside her and also looked up at the dome. "Can't we just teleport up there? We don't need to mine, we just want to take a look."
"Of course not." Xu Ying sighed. "Let's not even talk about whether there's a foothold up there. Just talking about my spatial ability, it's not that easy to use. I must have a very clear positioning. Simply put, I need a reference point. Otherwise, even if it's too big of a deal, just the Earth's rotation and revolution alone will cause my spatial position to change at an extremely fast rate."
"...What do you mean by reference?"
"My spatial ability can only take me to places I've been to and left my mark on." Xu Ying looked at the villa on the hill not far away, "For example, that villa. Spatial ability can't be used casually, otherwise it will get confused if you're not careful."
Li Wenxi nodded, somewhat bewilderedly. "I think I understand. Then... if you make a mark here, and if it gets somewhere else, wouldn't it be possible to teleport it back instantly?"
"It's not that easy."
Xu Ying suddenly glanced at Li Wenxi with a complicated look, then a hint of sadness flashed in her eyes, and then she shook her head and said:
"If you were teleported directly into space, there's virtually no chance of survival. The air pressure would drop to zero in an instant, your internal organs would explode, and the temperature would plummet by a hundred or two hundred degrees..."
Without any protective measures, a person might lose consciousness in that instant and become space junk floating in the universe."
"Ah... so scary..." Li Wenxi imagined the situation and swallowed hard.
Xu Ying glanced at Li Wenxi and lowered her eyes.
Li Wenxi, her real sister-in-law in that time and space, might... have died in this way.
"What's wrong?" Li Wenxi asked softly, noticing that Xu Ying seemed a little depressed for some reason.
"Ah, nothing, nothing." Xu Ying's dejection lasted only a moment. She immediately looked up and smiled, "This is just an extreme example. After all, it's only a leap across space, not time. As long as you move quickly and have the ground as a reference point, you won't be sent directly into outer space."
"Ah, I see." Li Wenxi pondered, "This is what you're talking about, so I think time travel should be something I need to be more careful about, right?"
"That's right." Xu Ying nodded. "Time travel requires even more attention to landing point. After all, the time span is so long that the original position has long been completely changed. If you don't determine the time and space coordinates, you will definitely disappear in the chaos of time and space and become space junk."
As she spoke, her tone became a little low again.
Her sister-in-law was... because of this...
"Then... why can't you teleport up there? It's just a change in space, right?" Li Wenxi pointed to the top of his head.
"Because, besides being teleported into space, there are other possibilities of failure!" Xu Ying sat on a large rock and kicked the stones under her feet. "It's very scary!"
Li Wenxi's curiosity was piqued: "How scary is it?"
"Teleportation always takes some time. Without accurate coordinates, my position won't be very accurate either, and there's a high probability of deviation." Xu Ying pointed upwards. "It's three thousand meters above me, and my coordinate-free transmission error is around one thousandth. In other words, unless there's a major mistake, there's probably a three-meter error."
"A three-meter error..." Li Wenxi's eyes widened slightly, "I understand..."
"Right, think about it. If it's three meters down, I'll just fall and die. Bang!" Xu Ying said, making a gesture of dropping to the ground and exploding. "I can't teleport continuously, so I'll just fall and die!"
"Wow... that's really dangerous..."
"What if it's three meters up? Sister-in-law, think about it, what is three meters up?"
"Hmm...stone?"
"That's right, my whole body will be embedded in the stone and crushed into a pulp!" Xu Ying shuddered as she thought this. "It's scary just thinking about it!"
"This, this, this..." Li Wenxi was also frightened. "Is teleportation really so dangerous?!"
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