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We know X-rays. Or we think we know X-rays.
X-rays are part of the electromagnetic spectrum, which includes light. X-rays are invisible, but behave like the light we’re familiar with. We use X-rays in medicine because X-rays can pass through soft tissues like skin and muscles, but are stopped by dense materials like bones.
We can use photosensitive films, therefore, to take pictures of bones in the body without needing to do surgery by shining X-rays through the body and seeing what part of the film gets exposed.
We can use photosensitive films, therefore, to take pictures of bones in the body without needing to do surgery by shining X-rays through the body and seeing what part of the film gets exposed.
X-ray image of human lungs. Credit: Sudraben CC By-SA 4.0
An extreme example of a wide angle lens is the ‘fisheye’ lens.
Why are my cats fighting? And what can I do to stop it?
Why is my cat attacking me?
What is oral (mouth) cancer, and what can you do about it?
How can you tell if a cat is in pain?
Taking care of stray and feral cats during the coldest time of the year.
52 weeks of photos - 2022 - Week 8
52 weeks of photos - 2022 - Week 7
52 weeks of photos - 2022 - Week 6
52 weeks of photos - 2022 - Week 5
Jorts the cat: A lesson in consent and accommodation "Are you actually helping, or are you just buttering the cat?"