Understanding Lumens & Candela
If you are looking for a new flashlight, you might be confused by the terms lumens and candela. What do they mean, and which one is more important for your…
ANSI/PLATO FL 1 Standard: Measuring Flashlight Performance
Flashlight lumen testing at SureFire. Lumens are measured using a device called an integrating sphere. Integrating spheres are optical components consisting of a hollow spherical cavity with a white reflective…
Royal Arms SF-DI and SF-DF Civilian Legal Flash Bangs
Royal Arms SF-DF .22 Blank Firing Flash Bang Simulator The noise flash diversionary device (NFDD), also commonly referred to as a flash sound diversionary device (FSDD), diversionary device, flash grenade…
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Our God Is A Warrior
Our God Is A Warrior by Donavon L. Riley “The LORD is a warrior; The LORD is His name.” (Exodus 15:3) We don’t often think of God in these terms…
The Creation of Illumination Glow Sticks
The concept of glow sticks traces back to the early 1960s, when an inventive chemical engineer named Edwin A. Chandross was exploring novel applications for chemical reactions. Chandross was working…
How to Make Emergency Candles for Heat and Light
In emergency situations, having a reliable source of heat and light is crucial. Making emergency candles can provide you with a valuable resource when conventional power sources are unavailable. Here’s…
Thyrm Variarc-VS
https://youtu.be/ePSYR5O-LXI
Failure is Not an Option: Properly Mounting Your Pistol Optics
Pistol optics have come a long way. Today’s pistol optics rarely fail electronically or mechanically. When issues do arise, they’re most commonly related to the mounting of the optic to…
AMMO, Inc. STREAK Visual Ammunition: Range-Safe Ammo That Lets You See Your Bullets In Flight
The term “revolutionary” is overused when describing products. But in the case of AMMO, Inc. STREAK® Visual Ammunition™, it’s definitely an apt description. Designed for indoor-range and low-light shooting, STREAK…
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HRT Advanced Weapon Light
HRT’s Advanced Weapon Light featuring the Valhalla Tactical Omni-Directional Activator or “ODA” is a relatively new entry to the weapon-mounted light market. Available in either an 18350 (shorter) or 18650…