Gigabit Quantum Bracelet, Let Me Save the World

The huge explosion penetrated the gap in time and space, and Dishan traveled through the gap in time and space to the earth 50 years ago with a 1000mbit-wide quantum computer bracelet. But this is not his earth, but an earth in a parallel world. Dishan checked all the information and found that the earth in this parallel world was very similar to his previous earth, and the Voyager series of deep space probes were also launched. From this point of view, there is a high probability that the Earth in this parallel world will also be invaded in 50 years. Now, he has 50 years to change history. To fight future invasions, establish high-tech satellite systems in advance to detect and prepare in advance. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.