Copper: Electrical Conductivity
What metal makes a great flashlight? Well it depends on your criteria.
How to Speak Flashlight: Chargers
Everyone uses lithium-ion cells safely everyday. That safety is engineered into high quality devices and the batteries that run them.There’s one more important part of battery safety to talk about ...
How to Speak Flashlight: Drivers
Drivers take the power from the cell (battery), regulate it and send it to the emitter (LED) to make light. You'll hear terms like 7135, FET, PWM and firmware bandied about by the driver experts. L...
All you need to know about aluminum. Part 2!Now that we're finished talking about the primordial part of aluminum lets bring it into modernish times. 1825 to be exact.
Why are Lumens irrelevant when talking about flashlights?
The word "lumen" may sound like it has something to do with the moon, but it actually comes from the Latin word for light. Lumens measure how much light is created by a light source-such as a bulb ...
