How to Build and Use a Spectroheliograph

106mm aperture spectroheliograph of 720mm focal length

The Solar Hydrogen Alpha Line

The solar Calcium H and K lines

Hydrogen alpha images from a spectroheliograph

Hydrogen alpha spectroheliograph

Calcium K spectroheliograph

Zeeman effect in helium overserved with home-made Fabry-Perot interferometer

Zeeman effect observed in neon using a home-made Fabry-Perot interferometer

Hydrogen alpha light through a Fabry-Perot etalon

Fabry-Perot etalon experiment with a low-pressure sodium lamp

Philips SOX 18W low pressure sodium lamp -- 12 minute warmup time lapse with spectral lines

Home-built Cavendish gravity experiment -- accurate measurement of gravitational force

Computer simulated cellular growth

Queen ant tending to her larvae (in HD)

Lasius Niger queen ant with 3 nantics (HD time lapse)

Ant pupae wakes up (time lapse HD)

Wooden Tower Falling in Slow Motion

Ice bullets fired from a potato canon

Andrew Glass

Human Blood Cell Dynamics under a DIC Microscope (in HD)

Human Blood Smear under a DIC Microscope in HD

Human Blood Cells under the Microscope in 1080p HD

Thermite from Silicon Dioxide, Magnesium and Copper Oxide

Drosera Capensis: time lapse eating a fly (HD with a surprise)

Magic Christmas Tree Time Lapse

Tin-Lead Liquid Metal Drops Falling and Landing (in slow motion)

Drosera Capensis: time lapse of eating a fly (in HD)

Third Reaction Attempt of Iodine, Aluminum and Water

Reaction of Iodine with Aluminium in a Glass Jar

Explosions from Burning Hydrogen

Fraunhofer lines in the solar spectrum