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create opposite function
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create opposite function
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This gel is liquid when cold and stiffens when heated
Ice Sauna
Erasable rollerball pen
Reverse vending
Semiconductor structure bends light 'wrong' way
Automatic Funnel
Twoface Window
Viteo garden shower does it in reverse
Toshiba Tech's erasable toner lets you photo-uncopy
Riding on Square Wheels
Atlas Rope Ascender
BigString recallable email
Beer bottle goblets
Beer shot glass
Restickable Glue
Auxetic materials
Lockable Knee Brace
Nepenthes Lowii
Chalk board clock
Unshredder
Build a house from the roof down
Alcohol test with a difference
HoodCap Flower
PlexEraser