What is an ideal battery when building a laser pointer?

Use ONLY tinting spray. Enamel based spray paints will not allow light to pass through and will destroy the lens of your light.

You should form a disc about 10 inches across and half an inch thick before tossing it. Then, keep tossing it until the dough stretches to around 12 inches or...

Give the puppy plenty of opportunity to visit the correct toilet spot, then praise them when they use it. Also, watch them like a hawk indoors and prevent the pup...

Replacing a battery in a Garmin Nuvi can be difficult since it's a lithium-ion battery. You can try contacting Garmin's customer support to see if they'll replace the battery with...

No! Never raise your hands off of the pointer because this is just like stopping without saying goodbye. This could let the spirit out. Never do this.

Yes it's fine. As a rule, use past tense to describe events that have happened in the past, but not generally accepted facts.

Get a new (more powerful, more expensive) laser diode. They can be purchased on eBay and various Chinese sites (Banggoood, LightInTheBox, etc.).

It depends on the power of the laser, laser pointers like the one you will find in pens are mostly harmless unless you shine them in someone's eyes. Though burning...

Identify what your core values are and look for a partner with similar values. It's best not to think about it like treasure hunt where there's a single "ideal" partner...

Everyone comes in different shapes and sizes, so really there is no ideal belly size. Measuring the difference between your hip size and waist size will be a better indicator...