Say what you will, this wave-shaping safety pool's got heart. And, thanks to the principle of wave interference, quite a lot of other shapes besides.
And this big splashy thing!
Watch it work:
Keep Your Connection Secure Without a Monthly Bill. Get a lifetime subscription to VPN Unlimited for all your devices with a one-time purchase from the new Gadget Hacks Shop, and watch Hulu or Netflix without regional restrictions, increase security when browsing on public networks, and more.