Tallinn Secondary School student Anna Egorova proved in her research that it is possible to determine the speed and location of passing ships using underwater pressure sensor analysis, even when their GPS devices are turned off, by using the patterns of waves generated by the ship. #laevajäljed #merefüüsika #teadustöö (translated)
novaator.err.ee
Veepinnale jääv jälg reedab radareilt kadunud laeva
