Most homes have inflatable mattresses which can be very handy during sleepovers. When filled with air, hopping atop one of these things makes you feel lightweight. How about filling it with helium? Would it make you literally feel like sleeping on a cloud? In one of his videos, James Orgill of The Action Lab filled…

Anyone who has visited a house (or hall) of mirrors before will know just how disorienting the experience can be. To summarize, you have to make your way from one end of a mirror-filled room to the other without accidentally banging your head on the wall. It can be a tad confusing but if you…