down dirt and stains on clothesB. the self-cleaning clothes easily wear outC. the clothes will be covered with silver and copper after self-cleaningD. people can use the self-cleaning clothes ……

break down dirt and stains on clothesB. the self-cleaning clothes easily wear outC. the clothes will be covered with silver and copper after self-cleaningD. people can use the self-cleaning clothes ……

Self-cleaning bottleSelf-cleaning bottle可以给自己“洗澡”的水杯。可以给自己“洗澡”的水杯。How clean is your water bottle? It can be hard to clean the corners (角落) at the bottom of it. Now ……

PARIS — Fed up with doing the laundry? Scientists are experimenting with self-cleaning clothes, whose fabric is sown with friendly bacteria to eat up dirt and human sweat, New Scientist magazine ……

to have such worries. A college student, Aamir Patel, from the US has invented a self-cleaning T-shirt... enjoy your Coca-Cola, ketchup (番茄酱) and milkshake (奶昔) with no worries. Isn’t it amazing? The self ……

in titanium dioxide for about 30 seconds to make the self-cleaning fabric. Then they dried them and heated... for three hours.The resulting fabric could be used for self-cleaning clothes, and in other ways ……

If you make a hole in a bottle of water, the water will leak (漏) out until the bottle is empty, right? Let’s put it to the test. ……

CAN you put a boiled egg inside anarrow-necked(细口的) bottle without cutting the egg or breaking the bottle? Believe it or not, you can make the egg jump into the bottle by itself!Drop three lit ……

 from Hong Kong made a self-cleaning door handle. A special chemical (化学物质) is on the handle... the most bacteria (细菌) in your home. Designers from Hong Kong made a self-cleaning door handle ……

(交易商) CarMax found that self-cleaning cars took the crown on a wish list of upgrades (更新...) to have?Some would go for a self-driving car. In fact, this has already become reality. This June ……

炫酷发明Bottle lock自行车水壶锁Take this bottle with you when you’re going out by bike. This is not just a bottle of water. It’s also a lock for a bicycle. A 1.5-meter-long lock hides (藏在) inside the bottle ……

有了这个瓶子，我们再也不怕细菌啦！You might take a water bottle to school every day. But you have to clean the bottle sometimes, right? If you don’t clean it, bacteria (细菌) can grow inside the bottle. This bottle can ……

in the sun.According to the Guardian, this magical self-cleaning ability comes from a special chemical....“We knew that self-cleaning cotton fabrics with titanium dioxide coating had already been developed ……

drink or water bottleHot waterMatchDo thisMake sure the bottle is clean insidePour about 3cm of very hot water into the bottlePut on the cap and swirl (旋转摇晃) the water around inside the bottle, wetting ……

TAKE an empty soft drink bottle and lay it on its side. Ball up a small piece of paper so that it will fit through the mouth of the bottle. Use the hot wind from a hair dryer to blow the paper ball ……