Air can crush metal cansThis demonstration (展示) shows you how powerful air pressure can be. ……

air balloon. You will need to wait for a sunny day with no wind. Shake open a large, dark, plastic.... But remember to pull it back when you are done with your experiment. Insider informationHot-air balloons ……

a hot air balloon. You will need to wait for a sunny day with no wind. Shake open a large, dark, plastic.... But remember to pull it back when you are done with your experiment. Insider informationHot-air balloons ……

. But with Air Umbrella, you’ll have no such problem. It’s made by two people from South Korea. It is a pole, with no plastic top. The pole can take in air and then shoot it out of the top. The air forms ……

新闻速览Open up a can of fresh Guizhou air贵州将推出“空气罐头”ON a smoggy (雾霾的) day, do you want a can of fresh air? You can soon do it in Guizhou. The province is known for its clean air. In early March ……

空气净化球This is a Purity Ball. You can play with it. It is also a useful ball. When you blow it into the air, it cleans the air. There are small filters (过滤器) in it. It can take in bad air and put out ……

. When you wake up and sit straight, your stomach has to get all the air out. This is why you burp..., your stomach has to get all the air out. This is why you burp.Also, your stomach may feel ……

Shoe or toy?是鞋还是玩具？The toy is a 3-D puzzle. It has 19 colorful pieces. Each piece is made in the UK. Put the pieces together and you’ll get an “Air Jordan shoe”! But you can’t wear it. ……

This light is like magic. It can float (漂浮) in the air. It can also follow people. How can this be? Here is the answer: it uses drone technology (无人机科技). You can put it anywhere in the air ……

10 people on the planet breathe polluted air. Polluted air can get deep inside your lungs when you...全球约有90%的人口生活在受污染的空气之中。You’ve probably heard the phrase “go outside and get some fresh air” before ……

自动打气筒This is called Air Pot. It can help you pump up (打气) your bike tire (轮胎). You press a button (按钮), and it starts to send air into the tire. ……

瑞士公司售卖阿尔卑斯山区空气。 You may buy bottled water from time to time. But will you buy bottled air?A Swiss...卑斯山). The air is sold in a metal can (金属罐) with a face mask (面罩). A 7-liter (公升) can of air is selling ……

Try this A delicate balance 1.Set the dryer its colest setting2.Turn on the dryer with its air stream pointing upward, and see if you can balance the ball on the air stream3.After the ball ……

Air Swimmers 空中游鱼玩具This "fish" swims in the air. How strang (奇怪的) ! It's a new toy called Air Swimmer. You can make it fly up, down and turn over (翻转) with a controller (遥控器). ……

it on, it will be like wearing an “air conditioner (空调)”. The holes can open and close. When you feel hot and sweat, the holes open and let air get through. When your body has become cool and dry ……