SMAs are materials that can be deformed at low temperature and recover their original shape upon heating. Shape memory alloys (SMAs) belong to a class of shape memory materials (SMMs), which have the ability to ‘memorise’ or retain their previous form when subjected to certain stimulus such as thermo mechanical …

The most important element of space is geosynchronous orbit, a circular orbit 22,300 miles above the planet where satellites appear to be stationary above the surface of the earth. British science fiction writer, futurist and inventor Arthur C. Clark mathematically determined the orbit in 1947, the general said.   The …

Ladakh accounts for more than two-thirds of the land area of the Indian state of Jammu & Kashmir. As a high altitude cold desert, though, it hosts only about 5% of the state’s population. With the mercury dipping to minus 20 degrees Celsius or lower during winter nights, and about minus …