Iron nitride permanent magnets made with DIY ball mill and tested with DIY magnetometer

Welding visualization system uses intense pulsed lighting to outshine electric arc, laser cutter

Dramatically improve microscope resolution with an LED array and Fourier Ptychography

f/0.38 camera lens made with oil immersion microscope objective

Mutarotation: a sugar that spontaneously changes from sweet to bitter

Micronics SLS nylon 3D printer makes electronic circuits

Photosynthesis photography: Making images with living plant leaves

Measuring the amount of lead (Pb) consumed when drinking from lead crystal glassware. Is it safe?

Multi-layer reactive foil: no fuel, no oxygen, tons of heat

Temperature-sensing RFID tag in magnetic stir bar

Identify chemicals with radio frequencies - Nuclear Quadrupole Resonance (MRI without magnets)

How to make precise sheet metal parts (photochemical machining)

High speed X-ray video: jumping beans, wind-up toys and more!

Drawing on a plasma display with a laser pointer

Silver nanoprisms grown into structural colors by high power LEDs

Olestra (zero calorie cooking oil) - chemical synthesis and taste test

X-ray timelapse of fluid movement in plants, stop-motion animation, sensor teardown/repair

Underwater laser cutting and silver sintering to make ceramic circuit boards

Atomic Layer Deposition of copper - If you like sputtering, you'll love this!

The best projects from 10 years of Applied Science

Measuring human digestive efficiency vs. a flame

Prototyping with Applied Science: Design and build a bite sensor

Etching silicon wafers to make colorful Rugate optical filters (porous silicon)

Shooting an electron beam through air

Ultrasonic soldering bonds glass, titanium, stainless steel, ceramics, tungsten, nichrome...

Demo and teardown of an X-ray fluorescence gun (measures chemical composition)

Giant glass diffusion pump and cathode ray tube demo

Holograms on chocolate

Hypercentric optics: A camera lens that can see behind objects

Alpha radiation makes sparks, detects smoke, and eliminates static cling