Chainsaws sold are equipped with sound damping devices. Their effectiveness is not always satisfactory, so users often install an additional or alternative silencer on a chainsaw. Why is a chainsaw noisy and why do you need a silencer A person calmly tolerates noise of 40 dB. The operation of the chainsaw creates noise pollution, sometimes up to 120 dB. Its […]

Many toy shooters have sniper rifles with electromagnetic acceleration of a bullet. Gaussian, railguns. They have different operating principles, but now we are interested in the sound when fired. In toys it’s such an electric “piu-piu”. And for some reason, many writers describe something similar to this sound. Well, or the noiseless rustling with which a bullet is accelerated by […]