Harappa is an archaeological site
in Punjab, Pakistan. The site takes its name from
a modern village located near the former course
of the Ravi River. Harappa contains the ruins of
a Bronze Age fortified city, which was part of
the Cemetery H culture and the Indus Valley
Civilization, centered in Sindh and the Punjab.
ভাষা ও ভাষার উৎপত্তি
Plasma Physics (প্লাজমা পদার্থবিদ্যা)
Laser (লেজার)
Quantum materials (কোয়ান্টাম উপকরণ)
Particle physics (কণা পদার্থবিজ্ঞান)
Optics (অপটিক্স এবং ফোটোনিক্স)