1. Editorial

   • S. Mahadevan

   Departments Pages: 1 - 2

2. Werner Heisenberg (1901–1976) his life and science

   • Virendra Singh

   Departments Pages: 3 - 5

3. Cantor’s Little Theorem

   • Arindama Singh

   General Article Pages: 8 - 17

4. Computing the symmetry groups of the platonic solids with the help of Maple

   • Patrick J Morandi

   General Article Pages: 18 - 26

5. Bacterial leaching

   • Preston Devasia
   • K. A. Natarajan

   General Article Pages: 27 - 34

6. Detergents — Zeolites and enzymes excel cleaning power

   • B. S. Sekhon
   • Manjeet K. Sangha

   General Article Pages: 35 - 45

7. Heisenberg, matrix mechanics, and the uncertainty principle

   • S. Lakshmibala

   General Article Pages: 46 - 56

8. Heisenberg and ferromagnetism

   • S. Chatterjee

   General Article Pages: 57 - 66

9. Plotting some interesting surfaces

   • Anindya Goswami
   • Imran Habib Biswas

   Departments Pages: 67 - 75

10. Learning earthquake design and construction 1. What cause earthquakes?

    • C. V. R. Murty

    Departments Pages: 75 - 78

11. Learning earthquake design and construction 2. How the ground shakes!

    • C. V. R. Murty

    Departments Pages: 79 - 82

12. Book review

    • N. Mukunda
    • Rasoul Sorkhabi

    BookReview Pages: 83 - 88

13. Short course on seismic design of bridges

    Information and Announcements Pages: 88 - 88

14. Frayn’s “Heisenberg”: Fact or fiction?

    • Jochen H. Heisenberg

    Personal Reflections Pages: 90 - 98

15. Ideas of the natural philosophy of ancient times in modern physics

    Classics Pages: 99 - 104

16. Planetary Exploration Programme

    Information and Announcements Pages: 104 - 104