What to look for when choosing a ball?
YraaWhat is MFR and why does it need a ball? Earlier we discussed the topic of MFR using a massage roller. How it is useful and why you need it,…
Pochemuchka: what is ball lightning?
Ball lightning is a luminous ball of gas, which, unlike ordinary lightning, occurs not only during a thunderstorm, but also in sunny weather. The size of such lightning is from…