Who doesn’t love flashlights? The older I get, the more I appreciate having good light in my workspace. That’s because the cone-shaped photoreceptors in our eyes, the ones responsible for seeing color ...

Before leaving the house I check my pockets for keys, wallet, cellphone, pocket knife, and flashlight. It’s my standard preparedness checklist. Whether you use it for work, outdoor pursuits, or daily ...

At one time, holding a flashlight with your teeth—or borrowing the headlamp from your hiking kit—was the best solution to working in the dark or low-light conditions (think using mechanic tools under ...