Recreational boating Design – boat hull, structure, gear general – hull – mono, multi. structure, materials – wood, steel, fiberglass, … More
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Interesting, engineering, ideas, updates #e4k
railroad
Rail transport – a means of conveyance of passengers and goods by way of wheeled vehicles running on rail tracks. … More
Radon detector
Radon Worldwide, naturally occurring radioactive radon gas seeps from rocks and soils, where it can accumulate in buildings at hazardous … More
make recycled paper
Recycle paper To recycle paper you need: used paper hot water a large bowl an egg beater or fork 2 … More
radio
Pictured – An early transistor pocket radio by Motorola. The first Motorola brand automobile radio was produced in 1930. Motorola … More
radar
Radar – a system that uses electromagnetic waves to identify the range, altitude, direction, or speed of both moving and … More
pump
Pump – a device used to move gases, liquids or slurries. A pump moves liquids or gases from lower pressure … More
quantum mechanics
quantum mechanics Laser – acronym for Light Amplification by Stimulated Emission of Radiation. Laser light is usually spatially coherent, which … More
Python
python.org – Python is powerful… and fast; plays well with others; runs everywhere; is friendly & easy to learn; is … More
questions
Isidore Isaac Rabi, winner of a Nobel Prize for physics, when asked why he became a scientist, replied, “My mother … More
QR code
http://www.qrstuff.com/ A QR Code (it stands for “Quick Response”) is a mobile phone readable barcode. In its simplest sense think … More
radial engine
How a Radial Engine Works AMAZING Cutaway in Motion
prosthetics
prosthesis (from Ancient Greek prósthesis, “addition, application, attachment”) is an artificial device that replaces a missing body part lost through … More
protective clothing
Protective clothing material We usually think of bullet-proof vests and jackets as protective clothing. Some other forms of personal protection … More
prototype
Prototype – an early sample or model built to test a concept or process or to act as a thing … More