A chemical property is a characteristic of a pure substance that describes its ability to change into different substances. For example, a chemical property of methane is that it can catch fire and burn in air. Physical properties can be observed or measured without changing the composition of matter.
The downsides are obvious: Almost everyone has headphones, speakers, and other gadgets based on the ubiquitous 3.5 mm headphone jack. Eliminating this connection could render these devices unusable, or at least force everyone to carry around an extra adapter. But Apple doesnât care.
Intro: Apple IPhone Headphone Jack Plug. The headphone jack on the Apple IPhone has gotten a lot of bad press because it does not work with most standard headphones because it is recessed. That ... Step 1: Find A Doner 3.5mm Plug. The basis for the plug is a normal 3.5mm headphones connector. The easiest way to get one of these is from an old/cheap set of headphones. You can ...