The personal computer, 1970s – Like the lever and the abacus, it augmented human capabilities. Personal computer – a general-purpose … More
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perpetual motion
Perpetual motion – “motion that continues indefinitely without any external source of energy; impossible in practice because of friction.” It … More
pharmaceutical
Pharmaceutical industry – develops, produces, and markets drugs or pharmaceuticals licensed for use as medications. They are subject to a … More
Pi
The infinite life of pi (video 3:45) – The ratio of a circle’s circumference to its diameter is always the … More
physical science
Matter Density and Buoyancy Air Pressure Liquids Force, Work, and Machines Levers Motion Speed Distance and Direction Pendulums Electricity Magnetism … More
people
There are lots of biographies, profiles, interviews and videos about engineering professionals available on the internet. Here are some names … More
Perlan Project
Perlan Project – researches atmospheric conditions utilizing sailplanes (gliders) designed to fly at extremely high altitude. Applying aerospace technology and … More
parachute
Parachute – a soft fabric device used to slow the motion of an object by creating drag. Parachutes are generally … More
paper shredder
One important way to reduce the chance of identity theft is to reduce the amount of paper that you store … More
penny bridge
Penny Bridge – Make a bridge and see how many pennies it will support. Supplies 4 to 6 books (enough … More
periscope
Use the periscope to look over the wall. Look into the eyepiece and use the handles to rotate your video … More
Periodic Table
Element – chemical substances are all made of some combination of just 118 pure elements. These elements come together to … More
pacemaker
Pacemaker – a small device that is placed in the chest or abdomen to help control abnormal heart rhythms. This … More
packaging
Bubble wrap – The popular, poppable packing material was actually invented serendipitously. Alfred Fielding and Marc Chavannes were trying (unsuccessfully) … More
paper quilts
Quilting has been around since the beginning of time. Using paper or fabric, make a quilt block for display by … More
