Sputnik 1 was the first artificial satellite launched by the erstwhile Soviet Union on October 4, 1957. Since then, more…
Telescopes are optical devices that help in producing a magnified image of distant objects. The instruments use an arrangement of…
We all have seen robots in Hollywood movies — contextually conceived with the idea of making life easier for humans…
How many times have you feigned a headache or abdominal pain so that you do not have to attend the…