Hidden Connections

between science, technology, and everyday life

Oxygen Sensor — Replacement

November 29, 2014 by andy

Oxygen Sensor — Replacement

Repairing a car can be difficult. And there’s a lot you can do to make it worse. But with a little care you can avoid most complications. Here’s the story of a repair done on a Toyota RAV4 (2004) to replace a bad upstream oxygen sensor. The story might be useful to you even if […]

Filed Under: Technology Tagged With: code reader, Kroil, oxygen sensor, RAV4, rounded bolts, rusted bolts

Chicken’s First Egg — Measurements

September 28, 2014 by andy

Chicken’s First Egg — Measurements

Our newest chickens are laying eggs but they look small. The first egg was so small that we ignored it. The next few eggs were wider but they were also shorter. Were the eggs getting bigger or smaller? — we couldn’t tell. We’re not ungrateful for small eggs – we’re happy to have any at […]

Filed Under: Nature, Science Tagged With: chickens, geometry, graphing, measurement

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