The diesel engine was developed by a refrigerator engineer Dr. Rudolf Diesel in the year 1897. The diesel engine is in fact a compression ignition engine where a piston compresses the mixture of air and oil thus increasing the temperature to such an extent that […]
With the rising popularity of mountain biking, the demand for mountain bikes has suddenly increased. This is the reason that the bikes come in many price ranges. Some mountain bikes are priced reasonably, while others can be extremely expensive. At times, it can get quite […]
Trees lose their leaves in the winter season in cold areas. The reason for this is to save energy in the unfavorable climate which prevents the tree from damaging. It starts breaking the organic compounds and the valuable nutrients present in it which are again […]
Cold feet are a common problem that affects many people. It happens mostly when a person enters in an air conditioned room. Your fingers turn numb and icy when you hold a chilled vessel. Sometimes it is the temperature which is responsible for the coldness […]
The process of corn popping reached to its perfection by the Native Americans for at least five thousand years back. The process was made more simple with the development of machines for this purpose. Popcorn kernel has four main parts 1) Pericarp which is the […]
Normally all the cats knead when they feel contended and with their front paws start pushing the surface on which they are standing. Kneading always comes before a cat is trying to sleep and generally cats purr while kneading. It is very common among kittens […]
One of the reasons that why birds sings at night could be that they get disturbed by the strong winds or rainfall that has woken them up from the sleep. Another reason for the birds to sing at night is predators. If they see some […]
Improvement in technology has led to development of lenses that can be easily focused to get a sharper picture. With the autofocus technology, a chip automates the whole focusing. The camera lens adjusts itself by moving back and forth and when the recording chip perceives […]
Hot dogs are also known as frankfurters because it is believed that they were invented in Frankfurt-am-Main, in Germany approximately in 1484. There are also claims that Johann Georghehner who was a butcher in Coburg, Germany invented hot dogs in 1600. A hot dog is […]
Gunpowder is a mixture of potassium nitrate, sulfur, charcoal and saltpeter and has excellent burning properties. Gunpowder is also known for the huge amount of gas and heat it generates when burned. Chinese were the first to invent and use gun powder. Initially it was […]
