Are glow in the dark stickers, inks, paints, dyes, toys carcinogenic or radioactive in anyway? Explore if these glowy things are safe to use and find out more about the historical significance of radioluminescence and how it led to impact the safety regulations of modern day tritium based phosphors.
Author: Karthikeyan KC
Ever wondered why airliners ask you to turn off electronic devices in-flight? And what airplane mode is all about? Can you turn off the airplane mode in-flight? Explore the risks of using cellular phones in an aircraft.
Humans are made up of blood. And blood has iron in it. So what happens if a human is placed inside a very strong magnetic field? Will it affect the human body in any way? In this edition of Geekswipe, we’re going to look into the types of magnetism that exist in the world, and how a human body would react to different strengths of magnetic fields.
Hydrogen alpha is a specific wavelength of visible light at 656.281 nm. A hydrogen atom emits a photon at this specific wavelength when its electron jumps from an excited quantum state or electron shell or energy level of n=3 to a lower level of n=2. Explore what H-alpha is, and how it is applied in astronomy.