When it comes to electromagnetic waves, humans can really only directly perceive a very small part of the overall spectrum, which we call “visible light.” [rootkid] recently built an ...

A mysterious scene at an apparently abandoned suburban Chicago home has raised concerns after viral footage appeared to show ...

Abstract: The modeling of spectral characteristics of light-emitting diodes (LED) has been addressed in various studies. We extend the current state of knowledge by modeling the spectral ...

Microcontrollers for Kids shows a classroom-tested path from Scratch to Open Roberta to Arduino UNO, with printable coding ...

Students will learn block-based coding using PictoBlox software to perform tasks such as blinking LEDs and operating buzzers.

Abstract: This paper presents a Smart Trolley with an Automatic Billing System using RFID technology to enhance the retail shopping experience. The focus is on automating the checkout process, ...