________________
142
COSMOLOGY: OLD AND NEW
H,+Clg=2 HCI. i.e., (Hydrogen mol. + chlorine mol. = 2 mol. of hydrochloric acid.)
On page 137 we have explained the phenomenon of ionisation of air. When a beam of X-rays is sent into an air chamber, air becomes ionised, i.e., charged particles-positive and negative are produced by detachment and attachment of electrons and as in Millikan's famous oil-drop experiment, the handing on of these charges from molecules of gas to drops of oil and vice versa can be seen with the telescope' (Hutchingson). This is another example of the production of visible molecules (ions) by the combined process of division and union.
***
SUTRA 29. सद् द्रव्यलक्षणम् ॥२९॥
SAD DRAVYA-LAKŞAŅAM [29] (The differentia of a substance or Reality is Sat, isness or being.) Also in Vyakhrā-prajñupati (8.9 saipadadvara) we have:
सद्दव्वं वा। (Sat is the characteristic of a substance.)
It should be noted, however, that the six dravyas of Jaina philosophy, although possessing the common characteristic of sai, are fundamental and cannot be intra-converted.
The following Sutra defines sai.
***
SUTRA 30. 3891GCUTETICULAT TET 113011 UTPĀDA-VYA YA-DHRAUV YA-YUKTAM SA7 [30] Sai is characterised by the concomitant process of uipadu,
