We may receive a commission on purchases made from links. Flashlights have become so fundamental in our lives that they have been integrated into other forms of technology such as smartphones. And ...

When flashlights came up, I researched ANSI’s standards and interviewed manufactures to see how they test their lights. Ultimately, I designed, built, and calibrated the integrating sphere we use for ...

We may receive a commission on purchases made from links. Flashlights are one of the most useful items you can have at the ready, whether it's during a blackout, in an emergency situation on a dark ...

We may receive a commission on purchases made from links. Now that we all have super-powered LED illuminators built into our phones, it might be hard to remember the last time you picked up a genuine ...