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Student makes an instrument out of PVC pipe ...

TDS: Transformer

Charlie Rose interviews Stanford Law Prof, Lawrence Lessig

YT: Just awesome talent

YT: Just awesome talent

Man invents machine to turn Plastic into Oil

MarineGunrock says...

As someone with experience in the manufacture of various plastics:

AHEM. By looking on the bottom of different plastic containers, you'll notice the "recyclable" symbol made of three curved arrows forming a triangle, as well as a polymer code, such as PE, PC, HDPE, PP, PS, V, LDPE or PETE. These indicate the type of plastic used in the product. PE would be polyethylene, HDPE is High Density polyethylene, PC would be polycarbonate, PP for Polypropylene, Polystyrene, Vinyl/Poly vinyl chloride (PVC) and polyethylene terephthalate.

The polyethelylenes and PP melt at lower temperatures (300-400 F)
PS melts higher at around 450 for a good liquid form and
PC melts the highest at 560-650 or higher.

So yeah, you're sucking a lot of juice to melt these - a lot more than you can pull from a few photovoltaics, anyway.

Lock Detects Secret Knock

Lock Detects Secret Knock

How to make your own wind turbine

dgandhi says...

I think Make: just jumped the shark.

I like their stuff, but there are so many things wrong here it's absurd.

If this was an all scrap project I might be able to disregard that, I might even be able to let the completely unlikely flywheel motor go, but the crazy hard to find pvc pipe killed it.

An off the shelf micro-turbine costs $600, I want to know if making one of these with all its rare components saves any money, relative to buying one which will actually work for more than a week.

My Kitty Can Fly

xxovercastxx says...

As soon as he said the jump distance was 2.5x her body length, I knew what was coming. Cats can jump something like 4x their body length from a standstill.

The PVC was a very good idea, though. It's probably not wide enough for the stone wall. I suggest lining the stone wall with electrified dobermans wrapped in razorwire.

My Kitty Can Fly

residue (Member Profile)

Shepppard says...

http://youtube.com/watch?v=Eo6oQxoyVQs
^ mandelgroove, set to a bunch of random BMG clips, but upon closer inspection, the two just have parts that sound similar, basically the guitar from 2:38 - 2:55, it's usually longer then that, but I can't find a longer version unfortunately

In reply to this comment by residue:
which part is mandelgroove? I thought it was just PVC IV. BMG is an incredible show. I've always been partial to drumbone

I will vote ANYTHING with the blue man group in it up.

AND part/most of this is of my favourite BMG song, Mandelgroove

Where's mandelgroove? I thought it was just PVC IV. BMG is an incredible show. I've always been partial to drumbone

Shepppard (Member Profile)

residue says...

which part is mandelgroove? I thought it was just PVC IV. BMG is an incredible show. I've always been partial to drumbone

I will vote ANYTHING with the blue man group in it up.

AND part/most of this is of my favourite BMG song, Mandlegroove

Where's mandelgroove? I thought it was just PVC IV. BMG is an incredible show. I've always been partial to drumbone

Blue Man Group - PVC IV with Orchestra (English subtitles)

Shepppard says...

I will vote ANYTHING with the blue man group in it up.

AND part/most of this is of my favourite BMG piece, Mandelgroove

[Edit]

Well, As it turns out, Mandelgroove and PVC IV sound very similar but this is not Mandelgroove.
My opinion still stands mind you

There's a Counter on this Ball

schmawy says...

"Skip-It is a children's toy invented by Victor Petrusek and manufactured by Tiger Electronics. During its initial release in the late-1980s, the Skip-It apparatus became a commercial success through its avid advertisements on daytime Nickelodeon broadcasting as well as other children's programming. The 'Skip-It' apparatus was designed to be affixed to the child's ankle via a small plastic hoop and spun around in a 360 degree rotation while continuously skipped by the user.

During a second production occurring in the early-1990s, the toy was manufactured with a counter on the Skip-It ball; designed to make the number of skips impeccably accurate.

Some Skip-It's have colorful glitter filled and covered plastic decorations that can be slid on and of the make colorful paterns.

There was a model which may have been called skiparoo or skip-a-roo that is from the 60's that was all plastic and had a red bell-shaped end.

There was also a model called the "lemon twist" which was made in the seventies. It was black PVC piping and had a big lemon at the end. It had little rocks inside that made noise as you twisted.

Marshall Swails of Irmo, SC won the 1995 World Skip-It Open at the 1995 Toy Congress in Wolfsburg, Germany. He skipped 300,546 times on his custom glitter filled Skip-It. What was remarkable about this achievement was that Swails was the only sponsored entrat, endorsing both Keds and BIKE. He worse simple white, canvas Keds and a pair of skin tight BIKE bicycle shorts with his name on the side. He did not wear a shirt." -[wikip.]



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