Archive for the ‘Fizika’ Category

Krista Tippett: intervju sa dr. Kraussom

Saturday, December 22nd, 2012

Ima li Svemir svrhu? – Neil deGrasse Tyson

Monday, December 3rd, 2012

Colbert Report: Sean Carrol

Friday, November 30th, 2012


The Colbert Report Mon – Thurs 11:30pm / 10:30c
Sean Carroll
www.colbertnation.com
Colbert Report Full Episodes Political Humor & Satire Blog Video Archive

A capella science: Rolling in the Higgs

Saturday, September 29th, 2012

Star Trek warp pogon: Jesmo li blizu?

Tuesday, September 18th, 2012

Od Zemlje do Mjeseca

Monday, September 10th, 2012

Coronal mass ejection

Friday, September 7th, 2012

On August 31st 2012 at 4.36 p.m. EDT a huge filament of solar material that had been hovering in the sun’s corona erupted. Although it wasn’t pointed directly at Earth, it still connected with our magnetosphere and was responsible for the rather stunning aurora that appeared on Monday Sept 3rd.

The Coronal Mass Ejection travelled at over 900 miles per second. This image shows the CME in comparison with a scale image of the Earth (no, smartasses it’s not that close

Kako putovati kroz Zemlju?

Monday, September 3rd, 2012

Panika zbog Fukušime

Monday, September 3rd, 2012

Wall street Journal objavio je tekst o neopravdanoj panici vezanoj za havariju nuklearke u Fukušimi:

In hindsight, it is hard to resist the conclusion that the policies enacted in the wake of the disaster in Japan?particularly the long-term evacuation of large areas and the virtual termination of the Japanese nuclear power industry?were expressions of panic. I would go further and suggest that these well-intended measures did far more harm than good, not least in limiting the prospects of a source of energy that is safe, abundant and (as compared with its rivals) relatively benign for the environmental health of our planet.

In Fukushima, the area exposed to the greatest radiation?a swath of land some 10 miles wide and 35 miles long?had an estimated first-year dose of more than 2 rem. Some locations recorded doses as high as 22 rem (total exposure before evacuation). Afterward, the levels of radiation dropped quickly; the largest component came from iodine, and its level dropped by 50% every eight days.

Garrett Lisi o Higgsu

Wednesday, July 4th, 2012

Stephen Colbert: Lawrence Krauss

Friday, June 22nd, 2012

Richard Feynman: Karakter zakona fizike – novi zakoni

Sunday, June 17th, 2012

SDO: Tranzit venere

Tuesday, June 12th, 2012

Tranzit Venere

Thursday, June 7th, 2012

Otkriveni asteroidi od 1980 do 2010. godine

Monday, June 4th, 2012