As a result, engineers haven't been able to put the theories to the test or to design bumpfree dirt roads. <br /> <br />Recently, researchers at the University of Toronto and their colleagues at the University of Cambridge in England attempted to come up with a simple explanation of why the ridges form. <br /> <br />They began by building a turntable—a round, flat surface that rotates, somewhat like the spinning surfaces sometimes found on large restaurant tables. <br /> <br />To make a model dirt road, the scientists covered the turntable with grains of dirt and sand.
<br /> <br />Kung may reported po na may sakit na dengue ay hinihiling po na makipag ugnayan sa ating RHU (Center) o dili kaya ay sa aking tanggapan para maanalisa ang sitwasyon at maagapan ang karamdaman lalo at higit ang paglaganap nito. <br /> <br />Maraming salamat po! <br /> <br /> <br />Hindi po makakatulong ang intrigahan dito.