Physics

2022-11-13 14:00:04 The simplest jet engine. Alcohol + air + booster converter. Открыть/Комментировать

2022-11-12 21:00:05 Thermogravitational convection

Convection is a type of heat exchange (heat transfer) in which internal energy is transferred by jets and flows of the substance itself. Открыть/Комментировать

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2022-11-12 14:00:05 Electromechanical pendulum with magnetic feedback. Открыть/Комментировать

2022-11-11 21:00:06 Just look at this

Radiometer is an instrument designed to measure the energy characteristics of radiation using its thermal effect. Открыть/Комментировать

2022-11-11 14:00:06 The Lorentz force is commonly referred to as the force affecting an electron that moves and is in a magnetic field.

It is a combination of two forces – magnetic, electric, concentrated on the charge. Открыть/Комментировать

2022-11-10 21:00:06 Jacob's ladder

The apparatus consists of a high voltage power supply and two electrodes arranged in a vertical plane at an angle to each other.

During operation it is possible to observe the formation and movement of an electric arc from the bottom to the top of the electrodes. That effect is explained by the fact that the arc consists of plasma heated to 5000-7000°C, it warms the air around itself and rises up, pulling the arc cord behind it. Открыть/Комментировать

2022-11-10 14:00:09 Is fire an electrical conductor?

A flame arises from a gaseous substance with hydrogen content, and therefore conducts electricity.

As the temperature rises further, the gas changes to another aggregate state - plasma. Plasma consists of charged particles and conducts electricity magnificently. So the flame conducts current, and the higher the temperature of the flame, the better. Открыть/Комментировать

2022-11-09 21:00:10 An intriguing experiment with a samurai sword and a Tesla coil.

The Tesla coil or transformer generates a powerful electrical discharge based on the swinging principle. The device features two coils of wire with current flowing at the same frequency and amplifying the electromagnetic field.

Electrons around the transformer seek out a conductor and escape into it, like lightning discharges into a lightning rod. Открыть/Комментировать

2022-11-09 14:00:14 Underwater glass cutting

Scissors make a micro-crack, the capillary effect completes the process by breaking off pieces of glass. The splitting occurs due to the wedging effect of capillary water. Открыть/Комментировать