The construction of street lamps began in a low-key manner, and now it has not been officially disclosed to the public, Fessenden led a team to start tackling key problems on light bulbs, and they are ready to increase the life of light bulbs to 500 hours, so that they are suitable for commercial use.

The use time of street lamps is much longer than that of ordinary households, even if it is 500 hours, calculated for 10~14 hours every night, a light bulb can only be used for more than a month.

Kaichi didn't put much effort into this, but only proposed to Fessenden to try it with tungsten, a metal with a high melting point that could theoretically be used for a longer period of time.

He's busy making wings for himself right now.

During his travels, he encountered a group of bandits, and one of them was a barbarian who used a large sword, and in the big sword used Lan Yujin, and finally the great sword became his trophy, and the barbarian was sent by him to Cargis as an attendant.

Lan Yu Gold is a very light metal, but it is very hard, and it has a certain ability to guide demons.

He extracted the Lan Yu gold from the big sword, added titanium and nickel to make an alloy and then made a feather, and then used the oyalite and blood pattern steel alloy to make a hollow skeleton, and the feather pieces were embedded into the skeleton piece by piece, becoming a pair of metal wings, and the edge of the feather was plated with a layer of pure gold to ensure that it was sharp enough. The angel's true feathers are embedded in the base of the skeleton on the right, hidden in metal feathers.

Queenie helped him design a circle of wings, so that all the metal feathers became one with the entire wing, and could not only fly, but also shoot them as throwing knives.

The latest street lamp has not yet been designed, and Jiayi's flying props are finally ready.

The wings are silvery-white, and the original skeleton is full of blood-red lines because of the blood-patterned steel, like blood vessels, and it doesn't look like a good person.

A good-looking image can help avoid a lot of trouble, such as many undead mages, although they are not much different from ordinary mages, but most people always have some fear and prejudice against undead mages.

Queenie helped Jia Yi install the feathers on the skeleton one by one, and each feather used a dark engraving method to hide the magic circle inside the feathers, which could better protect the magic circle in the feathers from damage, and at the same time have better aerodynamic performance.

The two of them finished assembling the wings together, and Jia Yi lifted the wings: "Let's go, let's go out and try it." ”

The two walked out of the laboratory together and came to the open space outside the house, fortunately, Jiayi's house belonged to the suburbs of the city, and the small hillside around his house belonged to the scope of the house, not within the no-fly zone, otherwise they would have to run away.

Kaichi opened the circle in the manor and said to Queenie, "Just try to see how the defensive circle you have set up is, you should be gentle, don't destroy my home." ”

Although he had confidence in Queenie's defensive circle, he didn't dare to let Queenie let go completely, even if his house could stand it, he couldn't stand it himself.

Kaichi activated his wings, and the skeleton at the base of the wings immediately attached to Kaichi's back, and then extended forward, stretching from his shoulders and armpits to his chest, wrapping the front chest, a bit like a shrunken vest, and the whole set of wings seemed to grow on his back.

He really wanted this pair of wings to be able to be stored in his body like a legendary magic weapon, but he confirmed to Queenie several times that there was no such technology here, unless the equipment was energized, this was not something that Jiayi and Queenie could solve, he could only specially optimize the equipment time of the wings, and the wings on the equipment did not exceed two seconds, which was almost enough.

After dressing, Jia Yi jumped upward, like a sky monkey jumping out all of a sudden.

Jiayi who rushed to the sky was like a drunk wild pigeon, staggering and unable to find his direction, and Queenie who looked below was worried: "Jiayi, can you do it?" Why don't you fly higher and be careful of hitting the ground. ”

Jia stretched out his wings at the same time with his open hand, stabilizing his body in the air: "It's okay, I want to familiarize myself." ”

This pair of wings is not difficult to control, and it is like growing two more arms through spells, but these two arms are a little numb and not flexible to control. Fortunately, he has experience in controlling his own tentacles, and after a little familiarity, he can roughly control the wings and make movements.

This pair of large wings not only provides buoyancy, but also helps him maintain better stability in the air, he quickly dives down from mid-air, quickly stretches when he is close to the ground, and then draws a figure eight in mid-air, like a giant falcon.

A protective shield extends from the base of the wings to help him block the wind in his face, while effectively reducing the wind resistance and making him faster. I don't know if the angel feather really has a miraculous effect on the speed bonus, the speed at which the wings fly is much faster than Jia Yi imagined, at least three times faster than he himself uses the flying technique.

Although he can't be compared to a legendary mage who can tear through the space and teleport, ordinary purple-robed mages can't catch up with him.

"So fast. He stopped in mid-air and looked condescendingly at Queenie below, "Queenie be careful, I'm going to try to see if the winged knives work." ”

As he spoke, Kaichi swooped downward, and when he was halfway there, the ends of his wings flew up and shot towards Queenie, several times faster than the speed of the Wind Blade.

A magic shield was propped up in front of Queenie, and at the same time, a series of crimson lights flashed in her hand, and the throwing knife was knocked away by her, and the rest was shot on the shield, and the shield shook until Queenie increased her magic power on the shield, and the shield was stabilized.

Jia Yi shot hundreds of throwing knives one by one before stopping, and then flew in front of Queenie, and the flying knives flew back one after another, re-embedded in the skeleton of the wings.

"It looks like the attack of this wing is just like that, and it has no effect at all. ”

He was a little disappointed with the attack power of these flying knives, and he deliberately attached the magic breaking array effect to the flying knives, and there was also a pure gold plating on the edges, theoretically speaking, the attack power should be good.

Queenie put away the shield: "It's already very good, if I hadn't strengthened the shield, now the shield has been broken, and for the white-robed mage, the lethality is not weak." ”

Queenie, as a disciple of a legendary mage, also has some good things on her.

"Then you can only abuse the vegetables, but fortunately, at least it looks good. ”

Queenie said angrily: "Your requirements are quite high, unless it is some one-time powerful props, it is basically impossible for you to be able to pose enough threat to a purple-robed mage, but I am afraid that you will die first with such props." ”

Although Jia Yi has seen more than one legendary mage, in fact, the most powerful mage that an ordinary mage can come into contact with is the purple-robed mage, otherwise Fessenden would not have paid so much attention to the task of the Supreme Council, because it was arranged by Wilmot himself.

"But your throwing knife is good, I just deliberately increased the magic power and didn't break the flying knife, I thought at least the internal magic circle would be affected, and I couldn't fly. The circle inside your throwing knife is not exquisite, and it is a lot of trouble to etch the circle. ”

Jia Yi spread his wings, and the wings on the side stretched out in front of him: "It is because of the complexity that there will be such good stability, and the redundant magic circle I specially designed will not affect the use as long as the magic circle is damaged by no more than one-third." And these feathers also have an automatic recovery function.,As long as it's not broken.,Even if it's deformed, it can be slowly recovered.,If the attack power is a little higher.,It's just perfect.。 ”

Although Jia Yi has made a lot of efforts, only the core angel feather in it is precious, and the rest of the materials are good, but they have not reached the level of qualitative change.

This pair of wings is the epitome of all the skills that Kaichi has mastered, and the skeleton of the wings uses demonic runes that have not yet been fully mastered, plus the core of Queenie's ancient magic script. The demon rune works wonderfully with the angel feathers, which can better stimulate the energy in the angel feathers, and the feathers and the skeleton are modular, and even these alloys are the high-quality alloys he recovered from the mechanical puppets, especially the automatic recovery alloy of the feathers, which is the core of the mechanical puppets that can be maintained for a long time, and the fatigue generated by the use of alloys can be restored by using magic at rest.

Although he was still a little nitpicky himself, Queenie felt that this was the ultimate they could do, and that if they wanted to be better, they had to use better materials.

After testing the wings, Queenie asked, "What are you doing in your lab when I see you listing so many elements on the manuscript paper?"

"I want to find out the pattern between these elements, but it doesn't seem to be easy to find, and it's still in the process of being sorted out, and it's not finished. I think these elements should have a cyclical pattern, but they are not perfect right now. ”

"It's not easy, you're not the first to think like this, but there is no one who has succeeded, and no one has yet summed up the law that can be recognized by everyone. ”

Queenie wasn't optimistic about Kaichi's idea, he wasn't the first, and maybe not the last.

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