After twelve years of experimenting, a Dresden engineer has succeeded in perfecting a rocket carrying a camera to photograph objects and places over which it passes, being returned to the ground by a parachute.
Several of the most common diseases, including typhoid and arthritis, have been practically banished from the United States navy by the use of distilled water for cooking, as well as drinking.
Italian canners are now utilizing the skins and seeds of tomatoes, the former for stock feed and the latter for oil, in its crude form, for soap and illumination, and, when refined, for table use.
A project for draining and reclaiming 1,000,000 acres of land in Egypt, work upon which has been begun, is one of the greatest and most expensive tasks of the kind ever attempted.
A new automobile convenience is a wind or light shield for one person that can be mounted at any angle by rods connected to the steering post.
For public places there has been invented a drinking fountain that dispenses ordinary water free and ice water when a coin is dropped in a slot.
An observatory at Berlin holds the world’s most accurate clock, which is kept in an airtight glass cylinder in the basement of the building.
An old idea in the history of telephony has been revived by a British inventor, who has patented a transmitter shaped like the human ear.
A simple wire loop to be fastened to a doorjamb and locked around the necks of two milk bottles to prevent their theft has been patented.
A telescope with two parallel barrels, to permit two persons to see the same object at the same time, has been invented by a Swiss optician.