The basics of testing were simple enough — build an electrical pulse generator big enough to simulate an EMP, aim it at an aircraft, and see what happens. At least 18 separate EMP test ...

Earth's own magnetic field is 25 to 65 microteslas. The megagauss generator system creates a field of 1,200 teslas, about 20 million to 50 million times stronger.

Portable generators are crucial during power outages and helpful for remote locations, and inverter generators are the crème de la crème in terms of efficiency. Similar to traditional models ...

Stem and leaf diagrams make it easier to read lists of number Stem and leaf diagrams are formed by splitting the number into two parts, the ‘stem’ and the ‘leaf. For example: In the number ...

Our Best Bang for the Buck option, the Pulsar 2,200W Dual-Fuel Inverter Generator is on sale for $420 (save 40%) during Amazon’s Prime Big Deal Days. Hurry, this deal won’t last long!

The top three theories for how these thieves are unlocking car doors are jamming a keyless entry’s ‘lock signal’, a radio transmitter to send an ‘unlock’ code, or a small EMP device ...

A frequency diagram is a type of graph used to represent a continuous set of grouped data. First, identify the largest frequency. The largest frequency is 12. Therefore, the scale on the vertical ...

Whether you're enjoying some time outdoors or prepping for the next power outage or emergency, you might want to have a solar generator on hand. We've tested several models, and the Jackery Solar ...

Commissions do not affect our editors' opinions or evaluations. Whole house generators can help you disconnect from the grid entirely or keep your appliances running during extended power outages ...

A home generator can be a smart investment, whether you’re dealing with frequent power outages or simply want to be prepared. With many options to choose from, including portable and solar ...

Commissions do not affect our editors' opinions or evaluations. Having a backup generator sometimes is the best way to stay prepared through storms or unexpected outages, but there are so many to ...