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

Antique 4x5 camera creates 20 micron photolithography masks: Super tiny tax form

Electron microscope animation: Carbon nanotubes pulled into thread

Details in the process of making "blacker than vantablack" coatings (part 1?)

Make vacuum pre-loaded spherical air bearings without special tools

DIY mass spectrometer measures potassium in dietary salt substitute

How a film camera superimposes the date onto photos

Cryogenic treatment of drill bits: tested 2X lifetime and microstructure analysis

UV laser creates disappearing ink in normal printer paper

"Bouncy" sulfur hexafluoride gas in tennis balls?

How corrosion inhibitors protect metal: synthesis in the lab and testing

Build an electroluminescent glass panel display -- an Apollo DSKY

Drill through anything (conductive) with Electrical Discharge Machining

Electro-osmosis: pumping water with electricity and no magnets

Testing UV absorption eyewear and sunscreen with a deuterium light source

High-resolution screen printing demystified

Behind the scenes at Applied Science: Why video? Camera gear. Shop tour.

Laser diode self-mixing: Range-finding and sub-micron vibration measurement

Electroluminescent paint and multi-channel control circuit

MEMs oscillator sensitivity to helium (helium kills iPhones)

Dry water and Burning ice: all about gas hydrates

Make plastic printed circuits with a standard laser cutter

Vintage electrical tech - Weston Sensitrol Relay

Engineering magnetics -- practical introduction to BH curve

Candle flame is repelled by magnets (and Zeeman follow-up)

Zeeman Effect - Control light with magnetic fields

3D print your brain, timelapse, high-res microfluidics, custom colors...

Glowing plasma created by a high speed jet of water

Making YBCO superconductor

Flashing Light Prize 2018 - Sunscreen, UV, and neon

Gas-powered waterjet cutter (follow-up) and other project updates

Glass engineering - designing and making photochromic glass

E-paper hacking: fastest possible refresh rate

World's smallest lightbulb flasher? Flashing Light Prize 2017