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refrigeration system

ice cream

Amazing Refrigerant Facts

By Energy Rant No Comments
Does anyone make ice cream at home these days? That was one of our favorite treats as kids – back when we had three network channels and no recording devices. I’m not going to look into modern ice cream makers for home, but I’ll bet they have cheaters that don’t require ice and salt. Why is salt used with ice to freeze ice cream? Read on to find out. Anyway, I found an early-patented “refrigeration system” (1793) that used ice and salt with charcoal and blankets for insulation. The simple mechanical refrigeration cycle was invented in the early 1900s. Mechanical…
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Burnin Down the House

By Energy Efficiency, Energy Rant, Government No Comments
Some things in life you have to fully commit yourself to or they will end in colossal failure, or immeasurably small success.  When I was a kid I played Evel Knievel by setting up ramps of 2x12 planks and concrete blocks.  I jumped my bike across maybe a five foot “canyon”.  Note, this was before mountain bikes.  Gary Fischer may have been developing his mountain bike in his garage but there was nothing available on the market.  I used a purple girl’s bike, single speed, no shock absorbers, no foot clips, and certainly no helmet.  Why the girl’s bike?  The…
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