What is a Help Balloon?

A balloon is a sealed bag filled with air or some other gas. Balloons can be used not only as toys but also as vehicles.

A balloon is a sealed bag filled with air or some other gas. Balloons can be used not only as toys and decorations, but also as a means of transportation. If the balloon is large enough, and the gas inside is lighter than the same volume of air, it generates more buoyancy than the airbag and attached objects (such as

Rubber, aluminum film

In the second or third century, the earliest hot-air balloon sky lanterns were invented in China and used to transmit military signals.

1: Inflatable skills, single ball knotting, double ball knotting, balloon combination, ball in the ball, red lantern, colored ball string, simple ball measuring device production, colored ball decoration color matching.

2: Color ball chain, four-ball group color ball chain spinning method, two-color spiral color ball chain, three-color spiral color ball chain, four-color spiral color ball chain, single-color ball chain, five-ball flower color ball chain, chain type ball Chain, spiral symmetrical color ball chain, arrow-shaped color ball chain, candied color ball chain, interval color ball chain, gradient color ball chain, big belly color ball chain, fish bone color ball chain, fish bone color ball ring, tail ball color ball Chain, falling colored ball chain, colored ball chain make-up ball, colored ball chain connection, colored ball chain installation and common calculation, colored ball chain weaving.

3: rainbow gate, monochrome rainbow gate, two-color spiral rainbow gate, three-color spiral rainbow gate, four-color spiral rainbow gate, four-ball flower rainbow gate, five-ball flower rainbow gate, chain-shaped rainbow gate, spiral symmetrical rainbow gate, arrow shape Rainbow door, candied rainbow door, spaced rainbow door, gradient rainbow door, rainbow door skeleton connection, rainbow door installation and fixing.

4: Three kinds of colored ball column weaving method, single color ball short column, two color spiral color ball column, three color spiral color ball column, four color spiral color ball column, interval color ball column, stage column, Roman column, art ball column , Balloon style, hovering column, welcome column, balloon package column.

5: balloon netting, pattern text netting, grid netting, fishbone chain netting, tail ball netting.

6: Flower plant shape, balloon flower, four-ball group balloon flower, five-ball group balloon flower, heart petal flower, balloon flower fixed, cactus, flower basket, Christmas tree, coconut tree, sunflower, pineapple, carrot, grape, balloon apple, Balloon tied flowers.

7: The shape of the love skeleton is five-star, love, heart-side heart, heart-shaped arch, love at first sight, white swan, color ball knitting, color ball ring.

Blowing balloons inside the bottle

Material: large mouth glass bottle, two straws: red and green, one balloon, gas cylinder

balloon

operating:

1. Use a screwdriver to make two holes in the bottle cap in advance, and insert two straws into the hole: red and green

2.Put a balloon on the red straw

3. Put the cap on the bottle mouth

4. Use a gas pump to hit the red straw to enlarge the balloon

5.Release the red straw to make the balloon smaller immediately

6. Use a gas pump to hit the red straw to enlarge the balloon.

7. Quickly squeeze the two nozzles of the red and green straws

8, release the red straw mouth, the balloon has not become smaller

Explanation: When the red straw is released, the balloon also begins to shrink due to the shrinkage of the balloon's rubber film. However, after the balloon volume is reduced, the air volume in the other parts of the bottle is enlarged, and the green tube is closed. As a result, the air pressure in the bottle is reduced--even lower.

Balloon picture

Due to the pressure inside the balloon, the balloon will not continue to shrink at this time.

Cup holding a balloon

Material: 1 or 2 balloons, 1 or 2 plastic cups, 1 thermos, a little hot water

Process:

1. Blow on the balloon and tie it up

2. Pour hot water (about 70 ° C) into the cup for about half a cup

3. After hot water stays in the cup for 20 seconds, pour out the water

4. Immediately press the mouth of the cup tightly on the balloon

5.Gently lift the cup together with the balloon

Explanation:

balloon

1. The cup can be sucked upside down directly on the balloon.

2. Cups treated with hot water, because the air in the cup gradually cools down, and the pressure becomes smaller, so the balloon can be sucked up.

Extension: Please think about any other ways to suck up the balloon? ^[4]

Ice-Carry Balloons Cooling the Earth

In recent years, many foreign scientists have proposed cooling the earth through so-called "geoengineering." According to foreign media reports, experiments have been conducted by American scientists at the end of March 2017. Harvard professor David Keith announced a new plan to test his "solar radiation management philosophy" at an event in Washington, D.C. on Friday, in partnership with an Arizona launch site and high-altitude balloon company WorldView Enterprises. The plan is to use a series of balloon gondolas to bring "StratoCruiser" equipment and sensors to the stratosphere.

"StratoCruiser" introduces small ice particles containing sulfur dioxide, alumina or calcium carbonate into the stratosphere. Sensors will monitor the condition of these particles, allowing Keith and his team to know the real effect of the aerosol sprayer in real time. The sensors will measure the reflectivity of the particles, how well they disperse or coalesce, and how they interact with other compounds in the atmosphere. ^[5]