Perpetual Light?

7747451

This sounded more like a hoax than a real product. I saw these online and I need to grab one just to see how it really works. They are a light source based on Strongtium Oxide Aluminate. The perpetual light isn’t really perpetual. Its [...]

Air Conditioning and Hot Water

ACWH

I really like items that are dual purpose. That goes double for something that can turn waste into something useful. I saw this AC unit recently, so I thought I would share the coolness (pun intended):

http://www.hotspotenergy.com/air-conditioner-water-heaters/

The idea here is that you can [...]

LED Lumens Per Watt

I am now officially impressed. Several years ago, I looked into LEDs as competition for CFLs. They were not competitive at all. The lumens per watt was always less. Back then, the max I could find was 71 lumens per watt LED for [...]

How Many Lumens Do You Need?

This is the first time I’ve seen someone cram a high pressure sodium bulb down to 35 Watts. Most of the time this bulb is used for industrial lighting or outdoor use in teh 250W range and higher. It gives off a really yellow [...]

Radiant Barrier Coolbox

ok, I just bought 6 boxes of vegetables from a local farm and I don’t get to pass them out until 24 hours later. How do kept the stuff fresh?

Solution: Radiant Barrier Bubble Foil makes a perfect insulator. I added 3 milk [...]