Tegan Taylor: Tell me about your first mobile phone. Tegan Taylor: Tell me if this is a good analogy or not; if I'm saying something in this tone or this note… Norman Swan: You're giving me cancer, yeah. Although people say, well, you're using your phones for maybe an hour or two a day, we now know how much our …
On July 20, American billionaire Jeff Bezos flew on a Blue Origin rocket past the Kármán line, which, at an altitude of 62 miles, is the widely accepted boundary of space. In deep space, ionising radiation is of two main types — galactic cosmic rays that originate outside the solar system from exploding stars, and solar energetic particles from the …
The word “radiation” immediately brings to mind images of mushroom clouds, sloughing skin, melting faces and mutant children. Cell phones and cell towers emit harmless, non-ionising radiation at an intensity that is so much lower than any known harmful threshold that it’s pointless to even worry about it. As Dr Bhavin Jankharia, a senior radiologist puts it, “There is absolutely …