Anything with a laser has undeniable hacker appeal, even if the laser’s task is as pedestrian as sending data over a fiber ...

Thinking of tackling electrical repairs but don’t know where to start? With just a little knowledge–and less than $100 worth ...

A digital multimeter is one of the most important tools for both professional mechanics and DIYers, not to mention people ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I ...

An office breathing test typically means you blow into a machine that measures how much air your lungs can take in and how quickly and forcefully you can blow it out. These numbers tell your doctor if ...

Dhananjay Gadre] happened across a useful little trick the other day. Take any old 1N4148 or 1N914 glass-package signal diode ...

Here is a close look at the common- versus differential-mode voltage and instrumentation amplifier (IA) topologies.

Equal resistors R added in series with both emitters will develop voltages Vr = I1*R and I2*R that will be equal if the ...

But, it turns out, a thermometer has been part of photonic chips all along.

Ahmad Anouti, MD, a pediatric resident at UT Southwestern Medical Center, spoke with Healio about “clear-cut indicators” to differentiate between different types of autoimmune biliary diseases. He ...

Take tape measures, once a palm-sized object that housed a metal ribbon that could snap back enthusiastically -- has been transformed into a palm-sized device with with a laser inside. Yup, the ...