20 Insanely Clever Gardening Tips and Ideas (with pictures!) - Epsom salts in the soil for tomatoes and peppers. Add a Tablespoon or so in the soil when first planting and then sprinkle more into the soil when mature.
The Theft Recovery Microchips Hammacher Schlemmer: When implanted into your personal, cherished items, these are the microchips that use radio frequency identification to verify ownership if items are lost or stolen - Tech Gadgets
Abandoned pens and other such stationery stand a chance at purposeful usage, thanks to the Pen Printer. The device uses the ink from discarded pens to print on paper. The current tech may not support such an ambitious idea, but it’s worth the exploration,