1. Vaire, a startup founded by researchers from the University of Chicago, has raised $4 million in seed funding to develop reversible computing chips. These chips are designed to reduce energy consumption by allowing computations to be reversed, unlike traditional irreversible computing.

2. Reversible computing is a novel approach that aims to address the growing energy demands of modern computing systems. By enabling computations to be undone, reversible chips can potentially reduce the energy required for various applications, such as data centers, cryptocurrency mining, and AI/ML workloads.

3. The funding will allow Vaire to further develop its reversible computing technology and build prototypes. The company's goal is to create energy-efficient chips that can be integrated into a wide range of computing systems, potentially leading to significant energy savings and a more sustainable future for the technology industry.