I sure hope that I can get some certain iRobot Automated Household Cleaners someday!
So this is what happens when you mix salts of different metals (Lithium, Strontium, Sodium, Copper, and Potassium) into methanol and then light that sucker.
Pretty colours is what.
Each metal has a different configuration of electrons orbiting in the atom. When the different atoms get energy from the heat, the electrons in the different metals will be excited by a different amount. When they de-excite they release that energy as light. Different metals release different eneriges. Different energies is different colours. The more energy, the violeter the light.
Using different metal salts is also how fireworks do the thing.
See the streetlight yellow in the Sodium (Na)? Well that’s because we use sodium lamps in streetlights
Mixing Salts of Different Metals.
Last year, Random House decided to give away Dan Brown’s bestselling novel, The Da Vinci Code, for free for one week. The eBook freebie ran on the 10-year anniversary of The Da Vinci Code, and a few weeks before the release of Brown’s new book, Inferno.
Why did Random House give away a…
Publishers are giving away Bestselling Books for Free!
It’s not quite Warp Drive, but Researchers are hot on the trail of building Nuclear Fusion Impulse Engines, to complete with Real-Life Dilithium Crystals.
Someday there might be a Transcontinental Passenger Train that transports Passengers between China and The U.S.
Linguistic map of Czechoslovakia, 1930
Here’s a Linguistic Map of Czechoslovakia from 1930.
The Search for Other Earths.
Here’s a chart of Bumble Bees of The Eastern United States with a chart of Bumble Bees of The Western United States located right below it.