HEMISPHERE OF BEROSUS
\hˈɛmɪsfˌi͡əɹ ɒv bɪɹˈɒsəs], \hˈɛmɪsfˌiəɹ ɒv bɪɹˈɒsəs], \h_ˈɛ_m_ɪ_s_f_ˌiə_ɹ ɒ_v b_ɪ_ɹ_ˈɒ_s_ə_s]\
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(Babylonian astronomer). A hollow hemisphere, with its rim horizontal, and having the end of a style as the centre : the shadow of this point on the concave surface would show the zenith distance of the sun. It was used, however, as a sun-dial.
By Henry Percy Smith
Word of the day
Platidiam
- An inorganic water-soluble platinum complex. After undergoing hydrolysis, it reacts DNA produce both intra interstrand crosslinks. These crosslinks appear to impair replication and transcription of DNA. The cytotoxicity cisplatin correlates with cellular arrest in G2 phase cell cycle.