Archive for the ‘Science’ Category

Khan Academy

Wednesday, November 26th, 2008

I’ve been watching youtube movies from the khanacademy user I find them great

I’ve seen mostly financial clips related to banks, mortage crisis but he also has interesting clips on physics and mathematics

go and check them out here

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Doomsday???

Friday, March 28th, 2008

is the doomsday coming?

some scientists think so…

they are so sure it is true, that they have filled a lawsuit in Hawaii’s U.S. District Court against U.S. Department of Energy, Fermilab, the National Science Foundation and CERN

they want them to postpone their experiments with coliding high energy particles while the safety was reassessed

those people are former nuclear safety officer Walter Wagner and  Luis Sancho

the thing is, those scientist think that those organizations, can, by experimenting, spell the end of us all

and they’ve released three scenarios they think can make it happen

  • Runaway black holes
  •  Strangelets
  • Magnetic monopoles

famous scientist, Michio Kaku, thinks there is no real danger

I… well I don’t really care

there’s going to be a day when you, me will just die

so, why be afraid since it is going to happen

now or whenever, it will happen

I’d like it to be in the faaaaar future but I can not control it

and I don’t want to go mad worrying that it may happen sooner then I hope for

so, I hope they’ll fight in court and prove whether those experiments are safe or not

read more about it here

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Cell Inner Life

Tuesday, March 4th, 2008

Here’s a vid explaining what happens inside your cells

Some people at Harvard made it here

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A Gene For Blocking HIV Discovered

Sunday, March 2nd, 2008

by the scientists at University of Alberta led by Stephen Barr, a molecular virologist.

the gene named TRIM22 can block HIV in a cell culture and is present in our own body

this gene does not work in people already infected with HIV and the researchers are trying to find out why

read more about it here

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IBM Scientists First To Measure Force Required To Move Individual Atoms

Thursday, February 28th, 2008

and the force is 210 piconewtons to move cobalt atom over a smooth platinum surface and 17 piconewtons to move cobalt atom over a copper surface

this was found out by IBM scientist working with their colleagues from University of Regensburg in Germany

read more about it here

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Michio Kaku

Thursday, February 28th, 2008

I didn’t know what was his name, but I knew him very well from the various popular science movies that he’s been in

he’s an American theoretical physicist, a very interesting character, explains things in a simple language

now he’s a professor in theoretical physics at  City College of New York, hosts two radio programs, writes books and of course, does movies :)

you can see some of his work at YouTube (just click the link)

anyway, I think I should mention him because he deserves it

here’s his Wikipedia page

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Self Cleaning Clothes

Tuesday, February 26th, 2008

no, it’s not science fiction ;)

some scientists at Monash University, Victoria, Australia, made clothes able to clean themselves (imagine that)

they used titanium dioxide nanoparticles on wool, silk etc.

the clothes work by oxidizing (burning, degrading) bacteria and the likes and can even self remove wine stains ;)

I know I’d like to have clothes/bed sheets from those materials

check out the story here

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5 Gigabit, 10 Meter Wireless Chip

Friday, February 22nd, 2008

Professor Stan Skafidis and his team of Melbourne University have made this small chip for wireless data exchange.

The chip is about a few millimeters in size, manages data transfers up to 5 gigabits per second, has a radius of 10 meters and works at 60 GHz spectrum.

Wouldn’t it be nice to have so much bandwidth in your room that all the other devices (laptop, tv, mobile phone, camera etc.) can use? :D

The chip uses less than 2 Watts of power and it costs like USD 10 to make it

Here’s the link

Wow :mrgreen:

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Total Moon Eclipse In Belgrade

Thursday, February 21st, 2008

15 minutes ago I saw a total moon eclipse

this is the first time I actually made a point to see a lunar eclipse

and I made some photos :)

fool moon

lunar_eclipse_start.jpg

moon is getting eclipsed

lunar_eclipse_start_1.jpg

total eclipse

total_lunar_eclipse_belgrade.jpg

total_moon_eclipse_belgrade.jpg

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Striking Nanoscale Images

Saturday, February 16th, 2008

Scientists are getting smarter by the minute

This time, they made this scanning microscope that can make images on nano scale objecs, even in realtime.

They filmed various materials, E. Coli bacteria, human red blood cells after being treated with antibiotics, Cyanobacteria, virus attacking DNA etc.

See it at wired here

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