Groundhog

Groundhog commented on How to hack a 12-volt Battery for 8 1.5-volt button cells, joining the discussion with 8 other people 6 months ago

This is a fake how to video. 12v AA batteries contain battery acid, not button cells. This is hazardous.

Groundhog commented on Hack a 12 volt battery, joining the discussion with 8 other people 6 months ago

This is a fake how to video. 12v AA batteries contain battery acid, not button cells. This is hazardous.

Groundhog commented on How to make poor man's liquid nitrogen, joining the discussion with 8 other people 6 months ago

What do u mean it didn't freeze?

Groundhog commented on Make poor man's liquid nitrogen, joining the discussion with 8 other people 6 months ago

What do u mean it didn't freeze?

Groundhog commented on How to make an ocean in a bottle 6 months ago

The stuff in the bottle doesn't result in the conclusion though. fOr that, much fancier experiments are devised.

Groundhog commented on How to make a foamy elephant toothpaste chemical reaction, joining the discussion with 1 other person 6 months ago

I bet those bubbles are flammable

Groundhog commented on How to tell if an egg is raw or boiled with Krampf 6 months ago

Duh, the lquid egg inside keeps spinning around.

Groundhog commented on How to make an infrared mask to hide your face from cameras, joining the discussion with 8 other people 6 months ago

You can put the LEDs in the letter designs on a hat, so that it looks like it's supposed to be that way. You could even get a light-up LED hat and just replace the existing LEDs with IR equivalents... more

Groundhog commented on Make your face paparazzi-invisible with infrared, joining the discussion with 8 other people 6 months ago

You can put the LEDs in the letter designs on a hat, so that it looks like it's supposed to be that way. You could even get a light-up LED hat and just replace the existing LEDs with IR equivalents... more

Groundhog commented on How to make an infrared mask to hide your face from cameras, joining the discussion with 8 other people 6 months ago

A lot of digital cameras have IR filters, so you would get seen anyway.

Groundhog commented on Make your face paparazzi-invisible with infrared, joining the discussion with 8 other people 6 months ago

A lot of digital cameras have IR filters, so you would get seen anyway.

Groundhog commented on How to make a bytelight from memory chips and a lamp 6 months ago

That's a waste of time. What's the point of having a light like that????

Groundhog commented on How to make ice cubes light up, joining the discussion with 5 other people 6 months ago

There are internally powered fake ice cubes that light up, and you can put in drinks.

Groundhog commented on How to make ice cubes light up, joining the discussion with 5 other people 6 months ago

Why would I want that thing (string of LEDs in some melting ice with a 9v battery)?

Groundhog commented on How to make a whipped cream can safe, joining the discussion with 2 other people 6 months ago

Also, you could hurt the cellphone display if it gets too close to the magnets.

Groundhog commented on How to make a whipped cream can safe, joining the discussion with 2 other people 6 months ago

The magnets won't work if it's an aluminum can.

Groundhog commented on How to turn an ordinary hardback book into a PDA notebook, joining the discussion with 5 other people 6 months ago

They ruined that book and the P.D.A.

Groundhog commented on How to revive a drowned fly, joining the discussion with 15 other people 6 months ago

I think supposedly that the water leaches out into the salt, like salt preserved meat. The water wants to be equally distributed, and wicks out into the slat to try an achieve equilibrium.Maybe you... more

Groundhog commented on Drown, and then, revive a fly, joining the discussion with 15 other people 6 months ago

I think supposedly that the water leaches out into the salt, like salt preserved meat. The water wants to be equally distributed, and wicks out into the slat to try an achieve equilibrium.Maybe you... more

Groundhog favorited How to speed read, becoming the 2nd person to do so 6 months ago

Groundhog commented on How to speed read, joining the discussion with 4 other people 6 months ago

That's funny.

Groundhog commented on Cheat the clock by speed reading, joining the discussion with 4 other people 6 months ago

That's funny.

Groundhog commented on How to rainproof your camcorder for cheap 6 months ago

If you have a really small, cheap, camcorder, you can use a one gallon water jug.

Groundhog commented on How to win a sucker bet by walking through a sheet of paper 6 months ago

I've seen that before.

Groundhog commented on How to make time fly, joining the discussion with 5 other people 6 months ago

Just wind it up more than the video maker did. The clock is basically just a win-up toy now.

Groundhog commented on How to make a clock projector, joining the discussion with 3 other people 6 months ago

probably so.

Groundhog commented on How to turn duct tape into a fiery torch, joining the discussion with 2 other people 6 months ago

Hey, that duct tape thing is not very good. However, I just had an idea for a use for it. You could use it to light firework on The Fourth of July.

Groundhog commented on How to flick a straw to pop and explode 6 months ago

Okay....

Groundhog commented on How to do the upside down coffee cup office prank, joining the discussion with 5 other people 6 months ago

It's a really common science trick. I think it has something to do with water tension and pulling a vacuum in the bottom of the cup.

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