Are empty helium tanks dangerous?

Sometimes, yes. Even if you're a really great swimmer, the undertow and the current in the ocean are very, very strong. It's important not to be arrogant.

If you are screaming or going out of your physical vocal range, it can be dangerous. Otherwise, it is not at all dangerous. If it is painful to sing, you...

No it's perfectly fine. You have to make tiny scratches in it to get it to look nice. Just make sure you buff after or else you'll be left with...

I mean, yes and no. Zodiac signs are highly complex, and each individual is very unique. However, if we're looking at aggression, we're speaking of Mars—Scorpio and Aries. That doesn't...

You can, but it won't fly. The helium is less dense than air in a room, causing the blimp to rise when helium is added. If you use normal air...

It’s not clear that Party City recycles tanks. You can call your local Party City to find out about their policy.

You will probably have to take your tanks to your local recycling center or hazardous waste disposal site.

Get to the level 15 or above, lvl 30, or lvl 45. It will show the available upgrades based on your tank, and show you how it looks like and...

Using a mylar (foil) balloon is actually safer for two reasons. First, it is easier to control how much helium you get. Second, there is no talcum powder inside the...

Unlike a balloon, which has a very slight pressure difference from your lungs, a helium tank is under high pressure. If you inhale directly from a tank, you're forcing a...