Technology
Exploring "Why" questions about Technology
491 articles
Why do I have to worry about an SSD in a personal computer losing space over time, but I don’t have to worry about that problem on my cell phone or ipod?
You don't have to worry about any of that. The SSD will be replaced by the time it dies. It takes 10 years of copying 30GB of data, daily, to a SSD to kill it.
why it only takes a minute to recharge a car battery when you need a jump start but phone batteries and lap top batteries take hours.
you only need enough charge to turn the motor over for a jump. then the alternator kicks in and charges the battery the rest of the way while the motor is running. edit: i knew it draws charge from th
Why are websites promoting crazed use of infinite scrolling?
The most common time for someone to leave your website is when the page ends. So if the page never ends, the theory goes, you're less likely to leave.
Why does AES encryption work, when the password gives away the key anyway?
[Key stretching](_URL_0_). The password you enter isn't used directly, instead it goes through another process which took relatively fast compared to user interaction, but slow enough to slowdown brut
Why can’t my computer just sacrifice and transfer a part of it’s own battery to my phone to charge it in seconds?
Trying to push an instant charge to your phone would be like trying to instantly fill up an inflatable swimming pool with a garden hose that is hooked up to the equivalent of a fire hydrant on full bl
Why does the iPhone 7+ have 2 front cameras?
It doesn't, it has 2 rear-facing cameras. One is the normal 28mm focal length and the other is 2x at 56mm (all are full frame/35mm equivalent of course). This simply means you have a lens that is more
Why are freight train engines no longer streamlined?
The amount of fuel efficiency lost from a slow-moving freight train having flat windows is minimal and probably barely offsets the savings of a cheaper construction process.
Why do cameras have a round lens to capture an image for a square/rectangular screen?
lenses are round because it's easier to make them that way. It's a lot simpler to make a round lens and then "square off" the image than it would be to make a square lens and have the square image imm
Why do websites allow you to “skip” ads at all?
Because if they forced you to watch a whole ad every time, you wouldn't come back. The advertiser knows that the person that they want to reach is someone who is interested in their product, and they
Why would paramedics actively try to resuscitate someone who’s dead?
Sorry for your loss, mate. Hollywood, as usual, has it wrong when they use a defibrillator on someone who has no pulse. A defibrillator actually resets a heart that is pulsing erratically.