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