Tags » Modern Physics

History of the Atomic Bomb & The Manhattan Project

As many know, the atomic bomb has been used only twice in warfare. The first was at Hiroshima. A uranium bomb nicknamed “Little Boy” (despite weighing in at over four and a half tons) was dropped on Hiroshima August 6, 1945. 446 more words

Modern Physics

Half-Life Problem Set

Many thanks to 6th year CBC students for devising these problems. 384 more words

Modern Physics

How to See Time Travel

It’s OK to be Smart host, Joe Hanson, explains how cosmic rays appear to have a longer life than they should because they travel at a speed close to the speed of light (time dilation). 15 more words

Modern Physics

Beauty and truth in physics: Murray Gell-Mann on TED.com

Wielding laypeople’s terms and a sense of humor, Nobel Prize winner Murray Gell-Mann drops some knowledge about particle physics, asking questions like, Are elegant equations more likely to be right than inelegant ones? 3,546 more words


Why is the Schrödinger equation a difficult problem and how do we get around it? An introduction to SUSY QM.

Differential equations are the essential building blocks of physics. They are tremendously powerful in describing dynamic systems, that is, in describing how things move and evolve around us. 1,061 more words

Serious Mathematics

Brief (and incomplete) History of Nuclear Energy

Exploring the nature of the atom

• Uranium was discovered in 1789 by Martin Klaproth, a German chemist, and named after the planet Uranus.

• Ionising radiation was discovered by Wilhelm Rontgen in 1895, by passing an electric current through an evacuated glass tube and producing continuous X-rays. 703 more words

Modern Physics