While doing some research on APC uninterruptable power supplies, I was browsing their knowledge base when I discovered this surprising note: Never use a domestic model APC UPS on a ship In North America, one would expect to see approximately 120 volts when measuring from hot to neutral and from hot to ground. However, larger ships use delta power. That is, there are two hot legs (center tapped 120Vac) and a ground: no neutral. Each hot is 60 volts. One can measure from hot to hot (phase to phase) and will see 120 volts. When measuring from either hot to…
I recently discovered Toni Schneider’s blog and found a cool entry from November when the Yahoo Maps beta and new API were released: In honor of tonight’s Yahoo Maps beta and Yahoo Maps API releases, I made a little maps mashup. Sometimes when people visit Silicon Valley, they wonder where it actually is. Check out The Center of Silicon Valley to find out where it is!