[LINK] ChatGPT

[sylvano]



Sylvano: “What type of pendulum is a Bravais pendulum?”
ChatGPT: “A Bravais pendulum is a theoretical construct, not a physical pendulum. It is used in the study of crystal lattices to describe the arrangement of atoms or molecules in a repeating pattern, and was named after the French physicist Augustin-Louis Bravais. The idea of a Bravais pendulum is used to demonstrate the symmetry and periodicity of crystal lattices, and has no physical equivalent as a swinging pendulum.”

sylvano


> On 4 Feb 2023, at 10:58 pm, Nic English <nik.english at gmail.com> wrote:
> Keeping in the swing of things …
> ChatGPT is open currently. 
> 
> Me: What is a Bravais pendulum?
> 
> Chat GPT repeated  the crystallography statement David shared earlier. 
> 
> So far the percentages are still weighed against the facts. Being told something is incorrect and being provided accurate information has so far failed to correct its response. 
> 
> Asking ‘ What are the different types of pendulums and how do they differ?’ generated a list of 5:
> Simple pendulum: This is a mass hanging from a string or rod that swings back and forth under the influence of gravity. The motion of a simple pendulum is determined by its length and the strength of the gravitational field.
> Compound pendulum: This is a pendulum that has a rigid body, such as a rod or a solid sphere, that swings about a pivot point. The motion of a compound pendulum is determined by its mass, length, and the distribution of mass around the pivot point.
> Foucault pendulum: This is a pendulum designed to demonstrate the Earth's rotation by swinging in a plane that appears to rotate over time. The pendulum's plane of swing changes continuously because of the rotation of the Earth, which causes the pendulum to trace out a curve in space.
> Physical pendulum: This is a pendulum that consists of a rigid body swinging about a pivot point, such as a weight on a lever or a rotating wheel. The motion of a physical pendulum is determined by its moment of inertia and the strength of the gravitational field.
> Torsion pendulum: This is a pendulum in which a small weight is suspended from a thin wire or rod, and the motion of the pendulum is caused by the twisting and untwisting of the wire or rod. The motion of a torsion pendulum is determined by the tension in the wire or rod, the angle of twist, and the mass of the weight.
> Each type of pendulum has its own unique properties and is used for different purposes, ranging from demonstrating the principles of physics to making precise measurements in scientific experiments.
> 
> Poor old Bravais failed to make the cut, just not unique enough it seems. 
> 
> Asked about the utility of pendulums for dowsing came back with a safe, better off using
> 
> ‘established methods, such as drilling, remote sensing, and geophysical surveys…’
> 
> Regards
> Nicholas English
> Sent from A phone |-)
> 
> There will always be a market for tin foil hats while we have electricity ... do we have electricity?!
> 
> 
>> On 4 Feb 2023, at 5:06 pm, David <dlochrin at aussiebb.com.au> wrote:
>> 
>> We now know.
>> 
>> Two readers of this thread have emailed me with ChatGPT's responses to their their own re-presentation of Bernard's query.  And here's a summary.
>> -----------------
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