Laser+Syringe=> Microscope

Well this is quite impressive: using just a laser and a drop of water you can project the microscopic world on a wall. That’s right, you can see bacteria and other small creatures moving through the water molecules.

DIY CD Solar Concentrator -attempt

Well, I thought of building a solar concentrator out of cds, but it ended up being just a … “reflector”.

It could work by having something painted in black and placed in the center of this thing, but I’ll try to build a concentrator some time.

Here are the pictures:

Actually, just before sunset, a couple of the cds( I think about 3-4, but they are 12 !) reflected the light into one spot: it was super bright. Now I know that if I build this correctly, I can have a powerful concentrator that can heat things so much they can catch fire !

Exoplanet Atmosphere Roils with Superspeed Winds

I found an interesting article today on www.scientificamerican.com. It is about an exoplanet located somewhere about 150 light-years away from us. That’s a lot, let me tell you: 1 light years is the distance traveled by light in that amount of time, and given the fact that light travels at almost 300.000 km/s, that means 9,460,730,472,580.8 km. Now you do the math for 150 light years .

Scientists say(based on astronomical observations) that on this planets winds are pretty extreme: they reach 7000 km/h !

Imagine what destructive force has a wind of, let’s say, 200 km/h, here on Earth! It’d be impossible to live in such conditions.

If you want to read more, here’s the link to the article:

Extra-Stormy Weather: Exoplanet Atmosphere Roils with Superspeed Winds

Fresnel Lens- Dangerous solar power! :))

This is the most awesome solar-powered project I’ve ever seen in terms of the effects of such a contraption.

These fresnel lens are very practical due to their design.They’re very compact for their light focusing power.

Focusing power, you ask? That’s just my word for this:

You’ll see cement turning red hot, melting glass, and water turning boiling hot in a matter of seconds!!!

They’re available for buying on ebay\amazon. Just search for “fresnel lens”. They’re very cheap.

Get LITHIUM( Li) from Rechargeable Batteries !

So I was just scouting for some cool mini science projects on youtube, and I accidentally found this :

As it says in the video, you should rapidly put this metal in a jar, or even better, in mineral oil.  Being the first metal in its group, it’s( I think) the most reactive metal. It’s so reactive that it reacts just standing in the air ( you can see in the video that it gets black).

One can make awesome reactions with it or just burn it, it burns with a light comparable to that of sun. Have fun! ( if you have the money, these batteries are expensive =)) )