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Why it is that you sometimes see two rainbows in the sky? When light from the sun shines into a raincloud, it hits a raindrop, goes inside the raindrop, reflects off the opposite inside surface of the raindrop, and then leaves from the front again Just as in a prism, as the light leaves the raindrop it is split up into its constituent colours of the spectrum, producing the first rainbow you see But sometimes when the light is very
Colours in CDs | Experiments | Naked Scientists Result You should find that you see funky colours in the reflection, but that all the lights don't look the same A conventional lightbulb will produce a smooth rainbow A compact fluorescent light, or energy saving bulb, will produce a series of images of the bulb A red LED bikelight won't produce any colours other than the red you can see normally ,
Why do rainbows dissappear if you stare at them? If you stare, without blinking at a rainbow for 5-10 seconds, it will disappear, even if it’s a photo of a rainbow This continues until you blink, or shift your gaze Why does this happen?
Is it possible to reach the end of a rainbow? The end of the rainbow was quite large, roughly the size of the road itself, and was touching down directly on the road ahead of us, and having played with the rainbows a water hose is capable of making, I had thought such an objectified manifestation of a rainbow was impossible
mosquito repellent | Naked Scientists Trick, or treatment: are generic drugs no different to named brands? Also, the physics of rainbows from oil on water
SOS - Cambridge University killing off Dr Chris. . . We are nearing the end of the consultation period, but if there is anything that followers should like me to communicate onwards, or take on board personally, please email me via chris@thenakedscientists com and I'll be happy to share it forward to any other interested parties, should the opportunity present itself
What science has in store for 2025 | Podcasts - The Naked Scientists In this edition of The Naked Scientists, a look ahead to 2025 We ask experts in the field of health, AI, astronomy, marine science, and archaeology what we should look forward to over the next 12 months…
Training phages to fight AMR | Interviews - The Naked Scientists So for many of the phages at the end, it's a kind of win–win–win process for us Chris – Where do you get the phages from in the first place? Do you just start with generic phages that you've recovered from the environment and then put them through this optimisation process to hone them?
Is there a role for DNA ends? | Science Questions So, end protection or capping as it's known is an absolutely critical role for the telomere But there's another equally important job for the telomere and that is to help guide the enzyme that adds the unique DNA sequence to the ends, called telomerase