Beer bottle in a microwave oven. IT MELTS. No, it's not very safe. Not for kids!
That's my original oven from 1994, it's still working fine (but with paint a bit burned.) Whenever you see charred spots on your ceiling, you know that someone's been making plasma balls again.
Between "Genuine danger" and "Raving Safety Paranoia" there must be some sensible middle ground. Dry ice is fun. Figure out a way to handle it safely.
Buy dry ice from suppliers listed in your yellow pages phone book for about $1 per pound. Or in Seattle, get it from QFC grocery, in the seafood section.
http://amasci.com/we ird/unusual/airthred .html Invisible filaments of high voltage "electric wind" are seen to disturb a thin fog layer made with warm water and dry ice. Get the HV power supply from http://amasci.com/em otor/negion.html
see http://amasci.com/ho lo/ Scratch-holograms can be made on CD cases using a couple of thumbtacks poked through a stick. Or get fancy and use a professional compass and black painted polycarbonate. Or automate the process with a paperclip stuck into a motorized electric eraser.
The FLIR camera sees wet couches, cold cola, and metal mirrors. But it can't see black trash bags! "Thermal Eye" camera TSC by L3/Raytheon. Find them on eBay by searching for keywords "thermal imaging" .
Camera as memo recorder, outdoor chase scene, and some really stupid toy ideas (probably worth millions!!!)
Also see the secret toy prototyping project: Santarchy Toy Mutations, http://www.youtube.c om/watch?v=mGCsMWoX9 oA
Amazingly repulsive, yet 3 simple mirrors just create symmetrical optical geometry. A shining jewel ...made of hairy damp pulsing FLESH. More construction details at http://amasci.com/am ateur/dscope.html
Got glow-in-dark paint? UV keychain flashlight? Combine the two. Imagine what you could build. Get UV LEDs from All Electronics or Electronics Goldmine. Get yellow-green "Night glo" Speedball(tm) fabric screen ink from art supply stores. (This is a very early test-video of mine from last April, shot in thumbnail mode.)
Bought online from various suppliers. Small neo supermagnet spheres are COOL, especially if you have over fifty of 'em. See links to suppliers at bottom of http://amasci.com/sp heres/
I got these 8mm nickel-plate spheres from Mr. George, $0.35 each, http://supermagnetma n.net/ Chrome plate or gold are more expensive than nickel.
From http://amasci.com/br ain/ website: Childhood Brain Modification. Instructions on valuable skills: how to cross just one eye, and how to speak with an echo.
![High voltage \"Air threads\"](http://img.youtube.com/vi/iLG8gKb-lyk/2.jpg "High voltage \\"Air threads\\"")
