Nitinol (pronounced "night-in-all") is an alloy metal that stands for Nickel (Ni), Titanium (Ti), and the "NOL" stands for the Naval Ordinance Laboratory where it was discovered. Bend it, then drop it into hot water and watch it return to its original shape! This crystalline metal changes phase around 75°C (167°F). You can also retrain this wire by annealing it. First bend it into the desired shape, heat it to a dull red glow along the entire length then cool it by immersing it in water. After cooling, the wire can be deformed but will instantly return to its newly trained shape by dunking it into hot water! Great physics demonstration for the classroom, and even makes a fun gift for practically anyone who admires the 'magic' of science.
These goggles meet the ANSI Z87.1, 2010 High Impact standards.
Great exam quality Nitrile gloves in size SMALL.
Great premium general purpose KingSeal Nitrile gloves in size SMALL. Not for medical use.
These large, powder-free, 5mil Nitrile Exam Gloves are designed and manufactured for superior comfort and protection.
High-protection, fluid-resistant and anti-static disposable lab coat in size Large.
Save with this large package of 300 medium-size nitrile exam gloves!
Use this kit to introduce electromagnetic principles in the classroom setting!
Shake the Pet Tornado clockwise and watch the mini tornado funnel form before your eyes!
Check out this high-quality gyroscope!
Discover a world of kaleidoscopic effects within this perfectly clear prism of the Light Crystal!
This classic device is used to demonstrate the conservation of mechanical energy.
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.
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