A reader asks: How long can an HDMI cable be before trouble happens?

Q: What is the maximum length for an HDMI cable before attenuation occurs? (via Quora) A: In reality, any length of cable will introduce some attenuation. I think you’re actually asking “how long can a cable be before attenuation becomes a problem?” But even there, there’s no absolute answer. A cable in an electromagnetically quiet…

A reader asks: How do I recover/save my phone’s internal storage before doing Reset?

Q: How do I recover/save my phone’s internal storage before doing Reset?  (via Quora) A: It depends on where’s the data stored — but should always be relatively easy to do. 1) If the data is on a plug-in/add-on memory card, recovery is trivially simple: Turn off the phone, remove the card, and plug the card…

Yes, an electronically stored “1” actually does weigh more than a “0”

Q: Does downloading data to a hard drive, say an app onto a phone, make the hard drive slightly heavier?  (Question sent via Quora) A:  On a flash hard drive or in RAM? Yes! Adding information — a 1, instead of a 0 — requires storing an electric charge. Each electron has a very small weight (something like…

This makes my head hurt.

Also:  .truh daeh ym sekam sihT “The light curves of six gamma-ray burst events showed evidence of complex time-reversible wavelike structures – that is, there was an event in each pulse in which time seemed to repeat itself backwards.” “Gamma-Ray Bursts Might Have a Really Weird Time-Reversible Mirroring Effect” https://www.sciencealert.com/bright-gamma-ray-bursts-have-complex-time-reversible-wavelike-structures