Is it polycarbonate or PMMA or some other material which traps photons? It is for: http://www.en.ideas4all.com/ideas/57580-innovation_in_a_solar_panel__innovacion_en_un_panel_solar
Category Archives: Aerospace
journel bearing alignment
Sir, what is the procedure for bearing(journel) alignment.Ie clearences
Unlimited knoledge of witty inventions
I must rebuke mans feble attempt for wisdom on bottom of last page. The fear or respect of GOD is the beginning of all wisdom.
Win the War and Take the Plywood Bus
Inspired by our recent post on the Kaiser articulated aluminum / magnesium bus, frequent blog contributor Gene Herman sent us a couple photos of another Santa Fe Trailways bus made out of an unusual material: plywood. Gene writes:
"Built out of plywood during WW II in Santa Fe's
Gas cooler
I have a PM on a gas cooler motor first i isolate the drawer When i measure the winding resistance of the motor i found that the value varies and the avometer don,t indicate a certain value?
Piping Fabrication to B31.3
CR4's we are looking at an inquiry for 36" pipe with noozles. The wall thickness is based upon a "W" factor of 1. We want to use A312 pipe (100% xray) as our base material, but if we use this welded pipe can we comply with this "W" factor? Section 4 or 5 of the most recent B31.3 code says if we use
Overmold material adhering to cable
When overmolding PVC, Polyurethane or other compounds onto a flexible cable, it is very difficult to get the overmolding compound to adhere to the cable jacket. We have tried a couple of pre-mold adhesives with very limited success.
We have seen some product from Europe that uses a PUR over
Caption This for 04/09/10
This week's image:
Be sure to vote for your favorite caption!
Contamination with Cobalt 60
There's a news from my country which says that Cobalt 60 was found in a paper collection area. Paper is collected here for recycling and more often than not such places also house other items for recycling- glass bottles, metals etc. Apart from wondering how did Co60 land up here I'm also curious ab
Innovation
how can we generate power by press?
Avery Labels for Custom Electronic Words?
I goggled and most labels are return address, CD etc. I need small font < 16 to print out words like "Gain", "Volume", "8 ohm". I would like to use Microsoft Office 2007 with HP ink jet. Also no rub off, peel off professional looking. Anybody know of a good way to do this? What kind of Avery labe
Plastic Foam
I have a project about foaming plastic. Can somebody help with some blowing products? What kind of blowing products are utilized on urethane foam? Are they all the same for all plastics? Are there different kind?
I know that Nitrogen can be used unfortunately I can't used gases can I use a
Looking for Assistance for Burnishing on a Lathe
Does anyone know of a company that offers a product that can be mounted to a lathe to burnish API thread connections?
Infrared Video
I would like to put some IR leds on an object & be able to take video of the object in motion
I'm hoping to use the IR as invisible points of reference.
the video would then appear to be normal, unless the IR reveal mode was turned on
I would like to use a nice common format
120vac with 24v in a gutter
Stuck out in the field and need to know if you can run 120vac and 24v circuits in a 4x4 gutter, stuck in field wo nec in an emergency situation
Flashback: Meet George Romney
We've mentioned before that one of the great values of Special Interest Autos (SIA) was that the editors and writers of the magazine were able to get their information straight from the men who made the automotive history that we study today. For instance, take Arch Brown's interview with Georg
Tungsten Carbide
Is tungsten carbide a ceramic or a metal?
Air Cooling System Design
I am designing an air cooling system by cooling water through a normal water cooler and passing the cold water from the cooler to a heat exchanger and the cold air is sucked from the heat exchanger by a blower. this is the brief description of the project .
my problem is that when the wate
Sony and FIFA release more details on World Cup 2010 3D broadcast
From Engadget:
Sony and FIFA have just released a list of World Cup 2010 games that'll be broadcast in 3D, with ESPN taking care of the US audience, Sogecable for Spain, and more partners to come (including eight matches for selected 3D cinemas around the world). Out of all ten sta
Florida City Moves To Integrated Smart Grid
From IEEE Spectrum:
came across an interesting article in Government Technology magazine about a smart grid project in Tallahassee, Florida. Tallahassee's public utility will be soon linking electric, natural gas and water services utilizing some 220,000 smart meters that have been