hacker234

5 ms·

1.
by hacker234 11y ago
Huh? Works fine for me...
2.
by hacker234 11y ago
> Ferrofluids are fundamentally unstable But not if you are constantly stirring them up. The Ferrorfluid used in loudspeakers for instance doesn't seem to degrade.
3.
by hacker234 11y ago
Yes, you must size your panels for the worst case, not the best case. When it's overcast, the best position is pointing straight up, eg fixed at the correct angle for that latitude. To put it another way, a tracker optimises your panel
4.
by hacker234 11y ago
Likewise. And I remember the first time I heard an American say "I'm really pissed!" and my mate said, "what have you been drinking?" I won't even mentions the confusion when an American lady mentioned that she
5.
by hacker234 11y ago
This new water wheel pump "was was first created back in 1746". It's called the Archimedes Screw and is hundreds of years old. Is very common in third world countries even today. https://www.google.com.au/sear
6.
by hacker234 11y ago
Chicken and Egg. If you can modify the radio (hardware/software), you can modify the protection device. Adding a protection device merely shifts the problem (being discussed) from the radio to the protection device. It achieves exactly
7.
by hacker234 11y ago
So he found a wrecked clock in the kerbside junk, got it running, then tidied it up by stuffing it into an old pencil case. Maybe he even wrecked it himself some time earlier. Sounds like a reasonable project for a teenager. Why are you mak
8.
by hacker234 11y ago
> There is a whole lot of pressure at greater depths. That by itself can bring the water up. The pressure inside a deep pipe will be the same as that outside the pipe. Where will your differential pressure come from?
9.
by hacker234 11y ago
I don't have a link, but combined Solar Electric / Hot Water panels are relatively common Australia. My neighbor has them on his new house. I'll go ask him for details.
10.
by hacker234 11y ago
Part 15 says (amongst many other things) that if a service causes (or suffers) interference it must go of the air. Nothing to do with Amateur Radio.
11.
by hacker234 11y ago
Does having "no strong magnetic field" mean no Ionosphere and thus no Shortwave Radio?
12.
by hacker234 12y ago
The problem will be getting regulatory approval. A high speed digital signal at VHF is going to radiate like blazes and wipe out FM Broadcast and hundreds of emergency services. This system will face the same problems as BPL, only much, muc