Earthquake is the shaking and vibration at the surface of the earth resulting from the underground movement along a fault plane or from volcanic activity. To negate the effect of these earthquakes, structures resistant to such shakings and vibrations should be built using several techniques. Many techniques have been in use. “Base isolation” is a…
World health organization reported, around 50 million people have dementia, with nearly 60% living in low- and middle-income countries worldwide. Every year, there are nearly 10 million new cases. Alzheimer’s disease, Parkinson’s disease and other dementias are age-dependent, so far incurable disorders that are becoming increasingly prevalent as life expectancy grows. Although it is clear…
Modern day aircraft are equipped with various types of antennas that are vital not just for flight safety but also for navigation. For example, a typical Boeing 787 is equipped with 21 different types of antennas on its body which all operate in different bands. Similarly, a typical F-16 fighter aircraft is also equipped with…
