Meet Mahi Malhani: Class 12 Delhi Student builds TRASHbot, an AI waste-sorting robot with 90% accuracy that’s already being used in societies

A Delhi schoolgirl, Mahi Malhani, developed TRASHbot, an AI-powered robot to tackle litter. Inspired by a visit to Sundar ...
The Better India

At Just 17, Delhi School Student Built an AI-Powered Robot That Sorts Waste With 90% Success

Delhi teen Mahi Malhani built TRASHbot, an AI robot that collects and sorts waste with accuracy, making cleanliness easy, ...
Elektor Magazine

Wi-Fi-Based Person Detection on an ESP32: When Your Router Becomes a Motion Sensor

Can an ESP32 detect people without cameras or motion sensors? Discover how Wi-Fi signal disturbances, CSI, and smart DSP enable real-time occupancy and mov ...

The Busy Bar Is a Gadget to Get People to Leave You Alone

Or the annoying people at your open-office desk. Digital well-being tools can silence notifications, limit apps like TikTok ...

Common AC remote buttons explained using the Godrej Eon Magnus 2026

I won't lie. I used to find AC remotes overwhelming, if not confusing. For the most part, I would just use two buttons on an ...
Hackaday

drum kit

Playing the drums requires a lot of practice, but that practice can be incredibly loud. A nice workaround is presented by [PocketBoy], in converting an acoustic kit ...
Nature

Prospects for LED lighting

More than one-fifth of US electricity is used to power artificial lighting. Light-emitting diodes based on group III/nitride semiconductors are bringing about a revolution in energy-efficient lighting ...
Nature

The life and times of the LED — a 100-year history

Many people believe that the LED was discovered by US researchers working in the 1960s. In fact, Henry Round at Marconi Labs noted the emission of light from a semiconductor diode 100 years ago and, ...