More phone makers than ever are coming out with devices you can fold into more compact designs. These are the best foldable phones we’ve tested.

Even when you don’t let your seniors do hard jobs like painting, investing in a safe step ladder for them is essential. This tool is very useful to do their home cleaning tasks and reach tall shelves ...

This paper presents a level crossing ADC (LC-ADC) for biomedical applications. The ADC uses dynamically biased comparators, which require minimal power when the input voltage is far away from a ...