To trust in one’s rational faculty means to question and to
endure doubt. Sometimes the fear of doubt can be stronger
than the fear of death, when extreme doubt leads someone to
be receptive to the extreme certainty of a violent ideology –
the most fashionable of which (though by no means the only
one) is currently radical Islamism.
The attraction of radical Islamism is similar to the psycho-
logical appeal of other secular totalitarian ideologies of the
century, in that it dispels all doubt.
Completely Reversed or Cyclic Stresses. 3. Fatigue and Endurance Limit. 4. Effect of Loading on Endurance Limit—Load Factor. 5. Effect of Surface Finish on Endurance Limit—Surface Finish Factor. 6. Effect of Size on Endurance Limit—Size Factor. 8. Relation Between Endurance Limit and Ultimate Tensile Strength. 9. Factor of Safety for Fatigue Loading. 10. Stress Concentration. 11. Theoretical or Form Stress Concentration Factor. 12. Stress Concentration due to Holes and Notches. 14. Factors to be Considered while Designing Machine Par ts to Avoid Fatigue Failure. 15.
Good nutrition is one of the key foundations for the development of a healthy, productive population.
Well nourished people are less likely to become ill or die, and are more productive and better able
to learn. Achieving good nutrition, particularly among women and children, is associated with
important short and long term health, educational and economic benefits.