Prestress Concrete – Unbonded Post-Tensioning

via Prestressed concrete is a form of concrete used in construction. It is substantially “prestressed” (compressed) during its fabrication,...

The Elio 3-Wheeled 0.9L Engine Autocycle – Review & Test Drive

via The Elio is a 3-wheeled autocycle with a 0.9L 3 cylinder engine producing 55 horsepower and 55 lb-ft of torque. The car weighs just ove...

DIY Articulated Wings from PVC Pipes & Fabric, “Because Why Not”

via Whether you want to make wings from feathers or fabric, you’ll need a base if you want them to be articulated. The Q came up with a li...

The Batman-Style Alpha Centauri Hydroplane Powered By a 9.5l Chevy V8 Engine

via The Alpha Centauri Hydroplane from Alphaboats is powered by a 9.5-liter Chevy V8 engine, this sharp vessel combines the luxury of a su...

Basics Of A Clutch, How A Clutch Works – 3D Animation

via A clutch is a mechanical device which engages and disengages power transmission especially from driving shaft to driven shaft.In the si...

Weasel Flying/Riding On A Woodpecker’s Back

via Martin Le-May, a casual photographer from East London, snapped a weasel flying on the back of a woodpecker. Although an event like this...

Linear Friction Welding – A High-Speed Movement To Forge Two Pieces Together

via Linear friction welding (LFW) is a solid-state joining process which works by oscillating one workpiece relative to another while under...

One Lioness Tries to Hunt Elephant To Feed Her Cubs

via Watch the incredibly rare moment as a lioness, hoping to feed her cubs, single-handedly tries to take down an elephant! This incredible...

The Quasiturbine Pistonless Rotary Engine

via The Quasiturbine is a pistonless Rotary Machine using a deformable rotor whose blades (sides) are hinged at the vertices.The volume en...

Easy DIY Home Security Tips – Home Security Life Hacks

via Your home should be a sanctuary of comfort and safety. But even if you live in one of the safest cities in the world , there is a chanc...