“Dad, is it really so that mass depends on energy?”, C. Adler, an American physicist was asked by his son.

“No! Or rather - yes. Actually it doesn’t, but don't tell your teacher about it”, C. Adler answered.

The next day the physicist’s son stopped studying physics.

From the article by L.B. Okun, published in the “Advances in Physical Sciences”, vol. 158, issue 3, 1989, pp. 511-530

Wednesday, 22 June 2011

Freshwater fish part 2 - TAPAH

Ikan Tapah

Fish files;


Length: Up to almost 2.4 meters.

Weight: Up to 110 lb

Colour: Big head with wide lips, small eyes, two spine, long fin below the body.
Population: South Asia, Pakistan to Vietnam, Malaysia, and Indonesia.

*Can be found in Rajang River, Sarawak.

Posted by at 00:16

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