میری پسند

Book Marks

• Special features for the Earth-Venus-Earth experiment

• DL4YHF's Amateur Radio Software: Audio Spectrum Analyzer ("Spectrum Lab")

• Wolfram Alpha Making the world's knowledge computable

• Aristotle was right: heavier objects fall faster J F Donoghue et al 1987 Eur. J.

UK School Seismology: seismometer assembly - Demonstration of Seismometer Setup.