How to Build a 60 Second Timer

How to Build a 60 Second Timer

by russ_vin

If you want to make a timer, its easy. This timer can go for 60 seconds or less.

You first need a few common materials:

-a analog clock with a second hand (a small clock or something, but not a watch)
-wire
-a power source
-something to send the electricity to
-a nail

-before starting make sure the clock is off

1. Take your clock and at the 12...

How To Tweak Most Lighters

by Mike

This works on the kinds of lighters that have the switch to adjust the flame. Start by taking off the metal cover that the flame spits out of. 99% of the time the adjustment switch is right under the butane tip the emits the flame. You'll notice that the switch that adjusts it circles a white little wheel with teeth like notches in it. What you need to do is take that off but be careful not to just rip it off because its usually...

Household Chemical Equivalency List

[COLOR=#000000][FONT=Courier][SIZE=12px]Chemical Name------------------HouseHold Name[/SIZE][/FONT][/COLOR]
[FONT=Courier][COLOR=#000001][SIZE=12px]acetic acid                           vinegar[/SIZE][/COLOR][/FONT]
[FONT=Courier][COLOR=#000001][SIZE=12px]aluminum oxide                         alumia [/SIZE][/COLOR][/FONT]
[FONT=Courier][COLOR=#000001][SIZE=12px]aluminum potassium sulfate               alum [/SIZE][/COLOR][/FONT]
[FONT=Courier][COLOR=#000001][SIZE=12px]aluminum sulfate                         alum [/SIZE][/COLOR][/FONT]
[FONT=Courier][COLOR=#000001][SIZE=12px]ammonium hydroxide                    ammonia [/SIZE][/COLOR][/FONT]
[FONT=Courier][COLOR=#000001][SIZE=12px]carbon carbonate                        chalk [/SIZE][/COLOR][/FONT]
[FONT=Courier][COLOR=#000001][SIZE=12px]carbon tetrachloride           cleaning fluid [/SIZE][/COLOR][/FONT]
[FONT=Courier][COLOR=#000001][SIZE=12px]calcium[/][/][/]

...

Homemade Fireball

by michael prince

Materials:

Balloon

Gas Can with nozzle narrow enough for the balloon to fit over (not completely full, but at least 1/4 full)

Post-It or paper and tape

Step 1: shake the gas around in the can lightly.

Step 2: extend the nozzle and put the balloon over the nozzle

Step 3: without inhaling any gas or vapors, blow into the other nozzle that lets air in...

Homeland Security Information Bulletin

Homeland Security Information Bulletin

Chemical, Biological, Radiological and Nuclear (CBRN) Materials and Effects

May 28, 2003

This Bulletin is being disseminated for information purposes only. Al-Qaeda and sympathetic terrorists groups continue to demonstrate their interest in mass-casualty attacks using chemical, biological, radiological, and nuclear (CBRN) weapons. Although we possess...

Home Made M-Class Explosives

by Infectedgoose

I actually know this from experience and have done this a few times. You can change the outcome however you want. I will explain the choices in here later. This looks long, but after you read it it will be common sense to you and easy to replicate.

Materials/tools

Paper of any type.
preferably thin paper works well with glue.

Rocket engines.
Anyones you can find. The...

History of Japanese Fireworks

Fireworks! How fantastic they are. and how fascinating to the eyes and minds of children. When it comes to fireworks, even adults suddenly find they still have the eyes and minds of children. Even small fireworks--squibs and roman candles and Catherine wheels--hold us spellbound for the brief time they are alight and moving. Howmuch morethoselargerfireworks that burst high up in the air in flowers of breath- taking beauty. No wonder the...

Hexamethylenetetramine Dinitrate

Hexamethylenetetramine Dinitrate (with HNO3, much better yield)

You will need:

14g of hexamethylenetetramine,
20mL of 70% nitric acid,
Distilled water,
Three 150mL beakers,
A thermometer,
A filter funnel,
Filter papers,
An ice bath,
A fridge,
Acetone.

1) Dissolve the hexamethylenetetramine in 100mL of water in one of the beakers (it will help...

Hardware Store Flash Powder

by Evil_Tree

Flash Powder is a mix of an oxidizer and a fuel. When lit flash powder burns extremely fast. It can be compared to a high explosive because of how fast it burns. Flash powder is not extremely dangerous if handled carefully.

The technical name for the flash powder I describe in this article is called 60/40 Al+KNO3 or 60/40 Mg+KNO3 (depending on which one you make). All of the materials I found at my local ACE...

Gun Cotton

If only a small quantity is required---Mix 4 1/4 oz of pure dry Potassium Nitrate with 30 fl.dr of Sulphuric acid specific gravity 1.845 ish and stir into this mixture 120 grms of pure cotton. (The adding of Potassium Nitrate straight to the Sulphuric Acid saves you having to buy the Nitric Acid, which can be a bit of a pain sometimes).

As soon as saturation is complete,in about a minute,throw the cotton into a large container of water under...