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- Split the Atom — 2023-10-10 00:05:57
…long with some wood and nails to build the world's first nuclear-particle accelerator in 1929. Rutherford had split the atom in Manchester more than ten years before. He wanted more control over the particles used to penetrate nuclei. He direct…
…fiers produced voltages around 600,000 volts. It wasn't a million volts, but it proved sufficient. The splitting of the atom was now a reality. /* event_date="14 April 1932" Cockcroft & Walton split the atom */ On the 14th April 1932 Cockcroft…
…in 1951. == Birth of a Bomb == The discovery of **Nuclear Fission** led to many types of experiments, not least, the **Atom Bomb**. {{Tag ids="Nuclear atom power volts generator university"}} … - Winston Churchill — 2023-08-27 16:11:42
…_Engine|Jet]]**, **[[Radar]]**, **VT fuse**, the **Magnetron** (that went on to power microwave ovens) and [[Split_the_Atom| Nuclear Fission]] to allow Oppenheimer to develop the **Atomic Bomb** technology to the annoyance of the patent holder…
- MRI Scan — 2021-08-20 11:04:59
…ing the MRI scanner in 2003. MRI, or **magnetic resonance imaging**, uses strong magnetic fields to change the spin of atoms in our bodies. This creates tiny changes that MRI computers process this to construct images. In 1973, Paul Lauterbur…
- Atomic Clock — 2021-08-20 10:45:05
… The clock soon become the industry standard for time measurement at observatories throughout the world. {{Image url="AtomicClock.jpg" class="left" title="Jack Parry & Louis Essen with the first Atomic Clock 1955" width="700" }} ::c:: == Ato…
…mic Clock == Essen based his clock on caesium because ~& 'An atom will always have the same transition frequency anywhere in the universe'. His clock was a 7 foot long horizontal appara…
…tus with a source of caesium atoms on one end, a microwave cavity in the middle probing the atoms frequency and a sensitive detector at the other end. When it was first put in to operation, it was accurate to one sec…
…ond in 300 years. == Links == [[http://www.npl.co.uk/60-years-of-the-atomic-clock/timeline|NPL]]… - Vaccination — 2021-08-07 23:07:23
…when photography became feasible and Jenner was **proved correct**. Having observed the behaviour, he demonstrated an anatomical adaptation for it—the baby cuckoo has a depression in its back which is not present after 12 days of life, in whi…
- Sinoatrial Node — 2020-08-15 18:08:00
…odys' natural pacemaker that is responsible for the initiation of the heartbeat in **1907** with his mentor, Scottish anatomist, **Sir Arthur Keith**. {{Image url="Heart.gif" class="left" title="Heart beating" width="280" }} On a hot summer da…
…at this structure closely resembled the atrioventricular node as described by Sunao Tawara earlier that year. Further anatomical studies confirmed the same structure in other hearts, which they named the **sino‐auricular node.** The discove…
…ry of the sinus node or **SA** node, the electrical system of the heart, provided an anatomical answer to the baffling mystery: ~&**“Why does the heart beat?”** ^^ There is a remarkable remnant of primitiv…
