The Fuel Cell – electricity from air…
The life blood of electronics—electricity—is now being concocted directly from gaseous fuels.
THERE’S a- fuel cell in your future. Dozens of scientists and engineers all over the world are racing to perfect this new way—that is also one of the oldest ways—of making electricity.
BOAT RUNS ON ROLLING DRUMS
A boat that runs along the surface of the water on drums was given a trial recently on the Hackensack River, near Newark, N. J. Five specially-designed white steel drums, having indentations like the treads on tires to increase their grip upon the water, support the craft.
APPARENTLY the scope of color photography will never be exhausted. J. Clarence McCarthy now comes up with an idea —and a whole new bag of tricks and small-scale props—for striking table-top shots. Here are some of the results with his own treasured transparencies projected for the background. He tells on page 182 how this fascinating new hobby can be pursued and shows in drawings how the table sets for these and other photos were made.
Yes, the big advantage of voice recognition is that it allows you more time to sexually harass your secretary.
I’d like to see them make
Cartoons by SYD LANDI
Everybody has his own pet idea of some gadget he would like to see in general use. What is YOURS? Popular Science Monthly will pay five dollars for every such suggestion that its editors decide to publish.
PORTABLE LIFT TO SAVE FIRE-TRAPPED VICTIMS
Ladders as means of escape from a burning building may be replaced by a portable elevator invented by M.E. Hayman, a member of the Portland, Ore., fire department. In case of a fire, the elevator is rushed to the scene and by hand or motor power it is raised in front of the desired window.
How is this not a tank?
Mobile Pill-Box Fortress Mounts Two Six-Inch Guns
Pill boxes on wheels, armed with twin six-inch guns in revolving turrets, may prove a formidable new weapon for U.S. defense. Racing to an unprotected area threatened with invasion, they would transform it overnight into a fortified zone whose strong points could be shifted at will to meet the changing battle picture.
Science In Crime Detection
DETECTIVE fiction fans have always cherished the idea of the clue-finder who sees and notes everything and, at the close of his investigation, unerringly points out the culprit—who is, of course, then convicted at once in a manner unusually effective for judges, juries and prosecutors.