There are two main methods for at-home exfoliation — mechanical and chemical — and the method you choose should be guided by your skin type. Mechanical exfoliation uses a tool, such as a brush or ...

In the past 15 years, the fabrication ways of 2D materials can be summarized into two strategies: top‐down and bottom‐up. As a representative top‐down strategy, mechanical exfoliation (ME) has been ...

Resilience pathways for halide perovskite photovoltaics under temperature cycling. Nature Reviews Materials , 2025; DOI: 10.1038/s41578-025-00781-7 Cite This Page : ...

What Drives Us in Mechanical Engineering? Mechanical engineers use the principles of energy, materials, and mechanics to design and manufacture machines and devices of all types. At Drexel, our ...

Perovskite solar cells are highly efficient and low cost in production. However, they still lack stability over the decades under real weather conditions. An international research collaboration led ...

The best mechanical keyboards will elevate your typing experience. With the right keyboard switches, you can type faster, more accurately and more comfortably than a standard membrane keyboard.

Make the switch with our guide to the best mechanical gaming keyboards. The best mechanical keyboards offer a sublime typing experience. You won't just find them sleek to use, you'll actually want ...

Ready to experience best-in-class typing? A mechanical keyboard delivers the feel and feedback that ordinary keyboards lack. Here's how to buy the right one, plus our top tested picks. I have been ...

In the experiment, perovskite solar cells were repeatedly cooled to minus 150 degrees Celsius and then heated to plus 150 degrees Celsius. The changes in the microstructure of the perovskite layer ...

With its collaborations across departments and institutions, the Department of Mechanical Engineering at Northwestern University educates the engineers of the future while conducting leading-edge ...