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Show NOTES OF SCIENCE The ends of a new ice-cream cone holder invented by a New Jersey man can be' usedreithei- as' legs' or handles for supporting or-carrying It. An inventor has patented a swlv-eled swlv-eled handle, for desk telephones with which they can be turned around read-, ily to straighten twisted wires. Small, practically noiseless airplanes capable of quick'-"changes' of course-have course-have been designed in Europe to enable en-able hunters to pursue birds. Germans have developed a chemical compound that, when mixed with the' gravel with which driveways or walks' are constructed, prevents weeds growing grow-ing In tliem.. Pulling handles with .the same motions mo-tions used in rowing "a" boat with oars propels a new' car for children that Is claimed to be muscle developing as' well 'a amusing. '-. Work will be begun In the near fu-. ture on a tunnel under the River Mersey Mer-sey to connect Liverpool with Birkenhead Birken-head that '( will' have" a capacity of 2,000 vehicles aii hour.' ' ' - ' A novel rear signal for automobiles resembles a . human eye that winks and turns either "right or left or toward to-ward a sfop 'signai; as buttons on the steering wheel are pressed. |