The electronics tag has no wiki summary.
6
votes
0answers
222 views
Is it possible to fix stuck LCD pixels using flashing colours?
The LCD of my $700 smartphone has a stuck subpixel (blue, almost invisible due to the high screen resolution).
There are literally dozens of apps that claim to fix stuck pixels.
For example: Here's ...
5
votes
3answers
577 views
Does mobile send signals when it's off?
I've heard that mobile phones send signals to the tower even when the mobile goes off so your location can be detected. Is this possible?
4
votes
0answers
163 views
Can an RFID tag be identified at distance in the real world?
For example, this guy says:
To that end, the ZRK [Japanese alien ID card] has an embedded IC Chip with RFID technology, which, as I have argued for years now, is a means to remotely track NJ ...
14
votes
3answers
938 views
Can you harvest energy from radio transmissions?
This video gives instructions on building a circuit to harvest energy from radio waves in the air using some pretty straightforward circuitry.
The creator has another video showing such a circuit ...
5
votes
1answer
4k views
Can magnets damage LCD screens?
My guitar teacher once told me that leaving a magnet near a LCD screen will affect it. I was skeptical because I guess that he believes that because magnets can affect CRT screens.
Here are some ...
18
votes
2answers
6k views
Does baking your graphics card fix it?
There's a tonne of articles online about fixing you graphics card by baking it in the oven. Supposedly this 'reflows' the solder to fix flaky connections. It's even been reported on sites such as ...
3
votes
1answer
489 views
Are Japanese capacitors more reliable in general?
Motherboard and PSU manufacturer's marketing department typically like to highlight the fact that they use Japanese capacitors, and there are even videos on Youtube and some articles about how to ...
1
vote
0answers
92 views
Does non-usage of electronic goods (shelved) decay over time? [closed]
How frequently should we use our electronic gadgets to prevent "decay" due to non-usage ??
I have seen numerous electronic goods/gadgets (wrapped, shelved, mint condition) decay and practically ...
12
votes
1answer
4k views
Do ultrasonic cat repellents work?
Amazon sells roughly 355 different cat repellent products but judging by the consumer ratings, most of them don't actually work -- and even those that do, could be correlation rather than causation.
...
6
votes
1answer
1k views
Should we remove batteries from electronic devices when not in use?
When I bought a digital camera recently, the shopkeeper advised me "to remove the batteries when the camera is not used for a long time".
I have heard this kind of thing for other devices also (like ...
