- Telegraph — 2023-09-23 15:56:52
…ented by William Fothergill Cooke and Charles Wheatstone. It was beautifully simple using electromagnetism to turn five needles left or right to point to letters. This meant anyone could read the message being sent, no need for anyone to be trai…
- Hypodermic Syringe — 2021-08-12 20:33:54
…e that attacks the nervous system and causes the sufferer to experience intense pain. In May 1844, he developed a drip needle for introducing drugs into a vein. Up to that time, it had not been considered possible to administer drugs through the…