The air around us rarely announces itself. Exhaust from a busy road, dust from a building site, smoke from burning leaves, ...

In the previous chapter, we stored the current state in a variable and switched the LED operation mode every time the button was pressed.The signals sent to the LED so far have been of two types: HIGH ...

Mass public gatherings — religious festivals, election rallies, political campaigns — are a recurring feature of Indian ...

The dark web sounds more mysterious than it is. It’s simply a set of websites hidden from Google and from ordinary browsers, with addresses that end in .onion instead of .com. Some people go there out ...

Scientists have directly observed how two negatively charged DNA molecules can pair up despite normally repelling each other. Positively charged metal ions appear to bridge the gap, helping matching ...

There are some projects that seem at first sight to be easy, but anyone who tries them finds a whole heap of unexpected problems and turns to the off-the-shelf device. PCB antennas for example, or ...

Using their new knowledge, the researchers became the first to successfully coax human stem cells into becoming hindbrain motor nerve cells. Tryfonov / Adobe Stock The brain is an incredible organ, ...

Segregate your smart home gadgets with VLANs to stop hackers from accessing your main PCs. This guide explains OPNsense ...

Arduino has introduced its first official standalone Arduino USB Camera, pairing HD imaging with a microphone and adjustable ...

A documentary essay about my attempt to disassemble a 2010 Acer S231HL LCD display—which I had brought from Japan to Taiwan ...