Of course, you can see a cavity with a flashlight! Using a flashlight to find cavities is one of the most common dental procedures. Cavities can be detected by looking for areas on the teeth that are discolored, soft, or have small holes. If you suspect that you have a cavity, it’s always best to […]

The most common type of flashlight uses a battery to produce light. When you turn the power switch on, an electric current flows through the battery and produces heat. This heat vaporizes the liquid chemical inside the battery, which turns into gas, creating light and electricity (about 3 volts). Incandescent light bulbs work similarly, but

While mounting your flashlight on your pistol may provide an extra layer of safety, I would not recommend it for a few reasons. First and foremost, this can be dangerous if the light falls off or becomes dislodged during use. Secondarily, if you were to shoot your gun while the flashlight was mounted, it could

You can take a small flashlight with you on an airplane. The TSA has said it’s okay to bring a portable light with a maximum output of 100 lumens and 7 inches or less in diameter in your carry-on bag and through the security checkpoint. It is also ok to bring a lightweight headlamp with