Engineerguy videos & audio

Bill uses a laser pointer and a bucket of glycol to show how fiber optic cables works, and how engineers use them to tra... Read more

Bill tears down a hard drive to show how it stores data. He explains how smooth the disk surface must be for the device ... Read more

Bill takes apart a digital camera and explains how its captures images using a CCD (charge coupled device). He also shar... Read more

Bill uses a pile of cell phones to illustrate the seven design criteria that shape a mobile device. He outlines the seve... Read more

Bill tells the story of how George Eastman invented film. Its use in the Brownie camera revolutionized photography; tha... Read more

Bill tells us about packaging, a sub-discipline of engineering that is essential to our society. This radio commentary w... Read more

Bill describes how the household drip coffee maker evolved. This was originally broadcast on August 29, 2000. Visit thi... Read more

Bill details how a microwave oven heats food. He describes how the microwave vacuum tube, called a magnetron, generates ... Read more

Bill explains that the hardest step is making the proper type of uranium. Weapons and power plants require uranium that ... Read more

Bill shows the world's smallest atomic clock and then describes how the first one made in the 1950s worked. He describes... Read more

Bill shows how the three key characteristics of laser light - single wavelength, narrow beam, and high intensity - are m... Read more

Bill describes how metals like aluminum and titanium are made resistant to corrosion by growing an oxide layer into the ... Read more

Bill takes apart a smartphone and explains how its accelerometer works. He also shares the essential idea underlying the... Read more

Bill tears down an LCD monitor to show how it works. He describes how liquid crystals are used, the structure of the gla... Read more

Bill takes apart a smoke detector and shows how it uses a radioactive source to generate a tiny current which is disrupt... Read more