Laxman Vijay

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Bard is Google’s version of conversational AI similar to ChatGPT which has taken the internet by storm over the past few months. This is due to the nature of human like conversational abilities by these AI systems, more and more people finding it using for a variety of tasks.

When it comes to conversational AI, Google is undisputed given the amount of research and development they have done over the years in this field. Bard is the next addition in their lineup. Although given the timing, Bard is simply recognised as a competitor to ChatGPT rather than a flagship product from Google.

Bard is based on the Language Model for Dialogue Application or LaMDA which was released 2 years also by Google. 

“Bard seeks to combine the breadth of the world’s knowledge with the power, intelligence and creativity of our large language models. It draws on information from the web to provide fresh, high-quality responses” according to the [announcement blog](https://blog.google/technology/ai/bard-google-ai-search-updates/) from Google.

This new product adds to Google’s portfolio of AI models including LaMDA, PaLM, Imagen and MusicLM. All these provides more tools to enhance generational AI and impacting the creativity space. 

As of now, there is no demo version of Bard similar to how [ChatGPT has one.](http://chat.openai.com) However, Google says, these new features will be integrated into Google search soon. 

Also, Google plans to release developer APIs from next month starting with Language API powered by LaMDA and followed by other models soon.

Google introduces Bard which is a conversational AI similar to ChatGPT.

Google introduces Bard, Its answer to ChatGPT


Physicists from South Korea have developed a new algorithm that can design a structure that follows along any given path. The idea is based on the simple realization that a spherical clay could be subtly deformed to follow along a random path.

The research team started by envisioning a sphere rolling down a ramp. If the sphere is imagined to be made of clay, it can be manipulated (deformed) as it rolls to make it conform to a given path. If the sphere is then rolled down the ramp again, it will follow the previous path due to the new deformities in its shape. The researchers noted that the paths that could be taken by the sphere could be nearly limitless due to the nearly limitless possible deformations.

That realization led them to wonder if the deformations that form in such a sphere could be corelated mathematically with its path. And if so, if such math could be used to create an algorithm that could be used to 3D print a sphere with deformations that would force it to follow a predetermined path.

Turns out it is possible. The team deviced an algorithm that computes a shape by analyzing a given path. The computed shape is then 3D printed. They named the objects trajectoids. Each had a solid metal ball-bearing inside to give it weight. They also found that they could create trajectoids that traveled over a given path twice, and named them "two-period trajectoids".

## What are the applications?

Turns out this new method could be used in robotics applications and also in physics research associated with the angular moment of an electron—or in quantum research centered around the study of evolution of a quantum bit.

<iframe width="560" height="315" src="https://www.youtube.com/embed/2lW9HznqsVY?si=NdaLqN4Sn4WdNIDK" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>

## Code source:

The team also published a Google Colab for reference: https://colab.research.google.com/drive/1XZ7Lf6pZu6nzEuqt_dUCHormeSbCCMlP. The original paper can be accessed in [Nature](https://www.nature.com/articles/s41586-023-06306-y.epdf?sharing_token=MfjPA0Uduzd60wRcg6kvYtRgN0jAjWel9jnR3ZoTv0PI2oLqSz3ENBVadr6bTqqLXcnyfhIenA1AWB-lO_690iJFCALE1LSm57zc7zJ_0tgwc8etNM2RCelBtq8HIqT9EUbdWrgJv4WS2TN3vUg7dNO-otq2THip68dw4Mli0a8%3D) where they describe the process and the applications.

Solid body trajectoids roll along desired pathways

Math

Trajectoids could introduce a new math field

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