General Discussion

Forum Thread: Want to Know More About the Parts Used in F1?

How the Humble Rubber Gasket Helps to Fuel Formula 1 For decades, the motorsport industry has been running smoothly thanks to, in part, a steady supply of specialist rubber products that are built to withstand extreme road performance. But just how does a rubber gasket help to power this multi-billion-pound industry, and how does this material stand up to such intense use?

Forum Thread: Interesting Thing About How Railway Signal Works

In this video i wanted to show how the railway signal works. Sorry for a poor quality, this is my first video on youtube. Interesting thing. When train is approaching to the road crossing, signal immediately turns on. The secret is that there is a signal coming through the rails, and when train is near, it close this signal and siren starting work.

Forum Thread: Easy Slime Recipe | 3 Ingredients!

Are the kids bored? Need something for a school project? Want a great activity for a family night? In this tutorial I am going to show you how to make slime! This easy slime recipe only requires 3 basic everyday household ingredients, with an optional 1 or 2 more ingredients. The slime is non-toxic and super safe to play with. Don't eat it though! So let's get to it, let's make some slime!

Forum Thread: Awesome DVD Drive Trick to Generate Electricity

We can use DVD Drive to generate small amount of current and can light two or three LED. The trick simply is DVD Drive contains a motor inside it when dismantle the DVD Drive we can rotate that motor by sliding one of the DVD drive part. Thus after rotation in motor it generates very small amount of electricity and we can light up LED. Watch the video how to disassemble the DVD Drive learn the trick and share with your friends.

Forum Thread: Polymerization

I would like to make the explosive polymerization with p-nitro aniline and sulfuric acid. I work in a laboratory and have access to the chemicals. I have seen several videos on Youtube and it looks awesome... When I try nothing happens, even after 10 minutes of heating. I have mixed 2 sp of the aniline and approximately 1 ml acid. I heat with a bunsen burner. Any good suggestions why it won't work? Best regards Jørgen

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