Non-Newtonian Fluid on a Speaker Cone
Corn starch is a shear thickening non-Newtonian gas meaning that it becomes more viscous when it is disturbed. When it's hit repeatedly by ...
Vintage Delco Electronics 6 X 9 Inch Automotive Speaker. "Black Label"
Made In Japan. 10 ohms, around 20 Watts. Sounds very usefulness, I used to have two but accidentally left one on the front porch and someone snatched it ...
"The Mooche" - Sidney Bechet; 1954 RCA 45-EY-2 Phonograph
amplifier, replaced all capacitors and several resistors; I stabilized the frangible 3 x 5 paper cone speaker with a water based poly-acrylic breadth ...
