Optical Coating

I have a project that i am working on that uses a flat acrylic lens tipped on approximately 10°. When looking thru this lense there is a glare (or reflection depending on who you talk to) that is interfering with the view. I have found several coatings that are "baked" onto glass lenses, but has a

Tesla Coil Construction

Tesla Coil UK.

I am thinking of building a Tesla coil, the plans that i have obtained were made in the U.S. and refer to magnetic wire for the inner coils.

This wire is wound around a plastic pipe. so dose this mean that the wire itself is steel, I.E. as in fence wire, that becomes

Another Ghostly Puzzle

Sorry, folks, for that magnet puzzle flop. Had I known it was already here, I would not have posted it. To compensate for that boo-boo, here is another puzzle. In a small rural pond grows a flower. It's head has 6 petals and it is exactly 10 cm above water level. Later in the day there blows a wind

Shock From Neutral?

Hi,

I'm new in this field .

I wanna know that, we generaly take the neutral of the distibution system as a return path.. does it carry any current ?

Will any one get shock from neutral?

What's the Best 3D Software?

The company I work for is a Caterpillar dealer and we are currently using Autocad for all of our drawing and design work, inc. 3D.

We receive 3D engine models from Caterpillar in inventor format and are looking at purchasing 3D software to be able to open the models, add or delete p

Assembly in Outer Space

Designing such devices like the James Webb Space Telescope for deployment in space takes a whole lot of innovative engineering to make it fold up to fit into a rocket and then be opened up in space. The mirror alone is 21.3 ft in diameter and the sunshield is as big as a tennis court. Do you believe

Can You Believe This Trash?

Back in 2007, I blogged about the "Great Pacific Garbage Patch",a pile of plastic trash floating in the Pacific Ocean. At the time, the liquid-borne landfill was twice the size of Texas. The mass was created and is maintained by four circulating currents: the North Pacific Current, the Califor