High energy weapons

ALPHA PARTICLE Helium nuclei. Not very penetrating. Stopped by epidermis. BECQUEREL Symbol: Bq 1 disintegration/second. 1 Curie = 3.7 x 10^10 Bq. Unit of activity. Things with small half-lives have the biggest activity. BERYLLIUM Symbol: Be Element 4 with atomic weights b/w 6 and 11. A neutron reflector and neutron source. Has low thermal neutron

What is a “black hole”?

By Andrew Fraknoi and Sherwood Harrington JUST TWO DECADES ago, black holes were an interesting footnote to our astronomical theories that few non-specialists had heard about. Today, black holes have “arrived” – one hears about them in Hollywood thrillers, in cartoon strips, and more and more on the science pages of your local newspaper. What

Meth at home

First part: 5. Pour 1/8 teaspoon of the lye crystals into the bottle of ephedrine and agitate. Do this carefully, as the mixture will become hot, and give off hydrogen gas and/or steam. H2 gas is explosive and lighter than air, avoid any flames as usual. Repeat this step until the mixture remains cloudy. This

CSI New York 5-21

The season 4 finale left us restless, waiting for season 5. Mac is held hostage on an acward bank robbery/ ellaborate kidnap. Who knows what the future will tell us about this great TV show named CSI New York? This is the romanian subtitle for season 5 episode 21 – season finale. 3 00:00:19,200 –>

CSI New York

Finally, the Cabbie Killer was caught. And now he’s spending the rest of his meserable life in prison. A real nice end of season 4 for the CSI New York series. Here’s the romanian subtitle for episode 20 – Taxi. 1 00:00:02,000 –> 00:00:03,100 Lucrul la care se gandeste fiecare locuitor din New York. 2