Issue Date: Oct 15, 1998
Cellphones are not just a public nuisance - they are also used by lookouts to warn criminals when the police are near. Now Deropa of Boksburg, South Africa, is patenting a transmitter that jams cellphones. All cellphones continually transmit and receive coded signals, with which they communicate with the network base stations. If these signals cannot get through, the phones cannot make or receive calls. By broadcasting low-power noise, the transmitter blocks these signals, preventing the cellphone from working.
Cheryl Colopy‘s book explores how south Asian rivers have been transformed from being considered sacred beings to sewers
How a township has set high standard for eco-friendly living
The UN environment report states that Ganga would disappear by 2030.There would be no need to train engineers or even Ganga...
A report published in the Journal of the Federation of American Societies for Experimental Biology suggests that babies of...
Yes, the happening and looming threat of the loss of Bio-cultural diversity stares us in the face. This is particularly true...