Ultimate Extra 300 RC Plane Build Guide with Full Plans ...

Boom Supersonic has launched the "Boom Prize," offering $800,000 ($750k cash + $50k in stock) to the first amateur team to repeatedly break the sound barrier with a radio-controlled, air-breathing ...

The well-known SR-71 owes its roots to a more obscure predecessor, the A-12 developed by the famous Lockheed ‘Skunk Works' as ...

Curious how to create a .308-chambered AR-10 that *doesn't* suck to carry into the backcountry? Dennis Bradley does just that ...