a step index fibre has core and cladding refractive indices 1466 and 1460 respectively if the wavelength of light is 085 m and diameter of the core is 50 m find the normalized frequency and 25263

Burnout in the Helping Fields: Why Professionals Are Leaving “Your job is killing you.” Those were the words that forced Licensed Mental Health Professional Deidre Gestrin to face the truth — burnout isn’t just mental, it’s physical. In this clip from Ramblings of a Busy Mind, we talk about: ✨ Why burnout is normalized in helping professions ✨ How stress creates a mind-body disconnect ✨ What organizations must change to protect their people If you’re a caregiver, therapist, or high-achiever tryi

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The Ghosting Frequency — Episode I: What Ghosting Actually Is Some harm doesn’t arrive loudly. It doesn’t announce itself as violence. It simply stops answering. This episode defines ghosting not as distance or boundaries, but as unacknowledged rupture and explores how silence reshapes nervous systems, behavior, and the emotional fabric of the world in ways we rarely count. This is the opening episode in The Ghosting Frequency, a series examining the hidden costs of disappearance for those who a