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.
NEW YORKâ Is the headphone jack on the iPhone going the way of the iPod? According to the latest rumors, the answer is yes. Although the latest iPhone 6S and 6S Plus are bound to be popular gifts this holiday season, that hasn't stopped the Internet from speculating on what will be in Apple's next iPhone.