ccondon u

the glass (which is already full of sodium ions) is washed with sodium ion containing salts to enrich canada goose uk black friday the surface of the glass with more ions

the Canada Goose Jackets glass is then immersed in a potassium containing salt, causing Canada Goose Coats On Sale some of the potassium in the Canada Goose online salt to displace the sodium in the glass.

Potassium canada goose clearance sale ions are larger than sodium cheap canada goose uk ions, so forcing these larger ions into the sodium sized “holes” puts tension on the surface of the glass. If there is a canada goose factory sale small crack in the surface of the glass, this tension causes the crack to be pushed shut rather than expanding into a larger buy canada goose jacket cheap crack and breaking the glass.

(I am neither a chemist nor a physicist so this may be mildly incorrect and my terminology is probably embarrassingly bad but I believe this is the general idea if someone actually knows what they are talking about feel free to correct me.)

rlaptop7 2 points submitted 3 years ago

That green laser is not 80 mw, probably by a lot. If that were a 80 mw laser, he would be able to burn stuff with canada goose uk shop it, light matches, etc.

The problem comes with canada goose store the guys canada goose black friday sale sensor. Those sensors need to be told what frequency they are being hit with, and for green lasers, the IR component of the Canada Goose Online laser needs to be removed and measured separately.

There is a good video about this here:That canadian goose jacket being said, that cheap green laser pointer is probably closer to the 10 mw range, defiantly not eye safe. the curve for the sensor, and then add up the canada goose coats results.

However, OP was using a thermal sensor (thermopile? not 100% sure if there are other types of thermal sensors that are commonly used) you can tell by the finned heat sink that the sensor is mounted to. Thermopile sensors are mostly insensitve to wavelength (they just measure the energy absorbed by the black surface, which has a rather flat absorbance across “reasonable” wavelengths), and so you uk canada goose outlet don have to do anything fancy the number that directly comes out of the meter is fairly accurate.

ccondon 2 points submitted 3 uk canada goose years ago

Getting hardware out for buy canada goose jacket manufacturing and ending up with a solid product at the end is extremely difficult, especially for people who don do it for a living. cheap Canada Goose Small issues quickly lead to new test runs of things being done, communication back and forth with manufacturers takes longer than expected, etc.

I backed lots of things on kickstarter and easily 80% of them end up being https://www.canadagooseoutlete.com/ delayed by at least 1 2 months (even from people who have past experience with making and selling hardware). FreedomCase seems pretty much normal in this regard.

ccondon 2 points submitted 3 years ago

Cheap power supplies tend to skimp on things like insulation and isolation, and tend to use cheaper components overall (capacitors that are only rated to lower temperatures, etc.), as Canada Goose sale well as simpler designs which require fewer components Canada Goose sale (but perform worse). But I have to correct you on the display side. canada goose clearance The color representation on the Surface machines including this new one is no where near as accurate as canada goose coats on sale any Apple canada goose Product which are to be completely honest to Print as in I see it on screen and then on paper and its the same color. Which any Windows machine has never ever had ever. Its really quite upsetting when you use this great tool of a computer.

Sure you get a crisp resolution and good pixel depth but for canada goose uk outlet a large portion of Apples market (Artist and Designers) you simply can win when the color depth and representation is such crap.

However the real edge Surface HAD with the Pro and Pro 2 was the Wacom technology pen that allows me to draw Canada Goose Parka directly on the tablet accurately and quickly but now is being thrown away for a far less powerful and useful Ntrig pen Canada Goose Outlet and it still has the extreme dearth in color.