While today’s youth may view PET bottles as relics from the past, they were actually popular among the cool and hip of the ’80s. Dr. Tom Brady provides a fascinating discussion about the history of plastic water bottles. The author, a senior scientist with years of experience, wrote a ...
invented the first version of the ammonia water cooling machine. In 1873, Carl von Linde designed the first practical and portable compressor refrigerator in Munich, and in 1876 he abandoned the methyl ether system and began using ammonia cycle. Linde later created a new method (‘Linde technique...
Instead of cooling water at night, people used a new technique: rotating long-necked bottles of water which held dissolved saltpeter. The solution was intended to create very low temperatures and even to make ice. By the end of the 17th century, iced drink including frozen juices and liquors...
it was more demanding to seek the clean naturalsources of ice. To make it worse, by the 1890s water pollution and sewagedumping made clean ice even more unavailable. The adverse effect first appearedin the blowing industry, and then seriously...
Instead of cooling water at night, people used a new technique: rotating long-necked bottles of water which held dis-solved saltpeter. The solution was intended to create very low temperatures and even to make ice. By the end of the 17th century, iced drinks including frozen juices and ...
100 bottles of champagne discovered in 19th-century shipwreck The shipwreck was discovered in the Baltic Sea, about 20 nautical miles off the Swedish coast, by a team of Polish technical divers from the group Baltictech. 7 months ago
根据 The easiest way to make a difference is to stop using plastic shopping bags and disposable(一次性的)water bottles.The great thing is that now millions of people are " doing their own Plastiki " in their homes,schools and offices.最简单的改变方法是停止使用塑料购物袋和一次性水瓶。最棒...
The largest plastic waste is composed from plastic bottles. Recycling of plastic is rising but it’s still low in comparison to the other recyclable materials such as paper, metal and glass. United States recycles 8% of their plastic and worldwide only 2.45 billion of PET and HDPE bottles we...
identified, however, were the undersides of the stools and the insides of the narrow tunnels within the cardboards at the rear of the stools (Fig.1a,b). Both these sites are well shaded and protected from air movement, which can help reduce water loss in the dry air. They likely also...
all able to ward off fatigue and clear mind for brief moments. The most popular soft drink in the world Coca-Cola made by John Pemberton in 1886 has used just that principle – mixture of water, sweetener, caramel flavoring and extract of cola leaves. The exact mixture of Coca-Cola is ...