Category Archives: tungsten

Laser Etches Solar Absorbing Material

Having a laser cutter these days isn’t a big deal. But [Chunlei Guo], a professor at the University of Rochester, has a powerful femto-second pulse laser and used it to create what might be the perfect solar absorber. You can see a video about the work, below.

It stands to …read more

Continue reading

Posted in laser, news, science, solar, solar hacks, tungsten | Leave a comment

[Ben Krasnow] Builds a Mass Spectrometer

One of the features that made Scientific American magazine great was a column called “The Amateur Scientist.” Every month, readers were treated to experiments that could be done at home, or some scientific apparatus that could be built on the cheap. Luckily, [Ben Krasnow]’s fans remember the series and urged …read more

Continue reading

Posted in ionization, isotope, magnetic, mass spectrometer, misc hacks, potassium, transimpedance, tungsten, vacuum | Leave a comment

Modified Tombstone Welder Contains a Host of Hacks

State-of-the-art welding machines aren’t cheap, and for good reason: pushing around that much current in a controlled way and doing it over an entire workday takes some heavy-duty parts. There are bargains to be found, though, especially in the most basic of machines: AC stick welders. The familiar and aptly …read more

Continue reading

Posted in AC. DC, arc welding, GMAW, microwave oven transformer, MOT, rectifier, Silicon Controlled Rectifier, tig, tool hacks, tungsten, welding | Leave a comment

Bask In The Warm Glow Of DIY Incandescent Bulbs

With most of the apparatus and instruments we now take for granted yet to be developed, the early pioneers of the Electric Age had to bring a lot to the lab besides electrical skills. Machining, chemistry, and metallurgy were all basic skills that the inventor either had to have or hire in. Most of these skills still have currency of course, but one that was once crucial – glassblowing – has sadly fallen into relative obscurity.

There are still practitioners of course, like [2SC1815] who is learning how to make homemade incandescent light bulbs. The Instructable is in both English …read more

Continue reading

Posted in classic hacks, Dumet, filament, glassblowing, incandescent, light bulb, soda-lime, tungsten | Leave a comment

The Physics of Healing: Radiation Therapy

Few days are worse than a day when you hear the words, “I’m sorry, you have cancer.” Fear of the unknown, fear of pain, and fear of death all attend the moment when you learn the news, and nothing can prepare you for the shock of learning that your body has betrayed you. It can be difficult to know there’s something growing inside you that shouldn’t be there, and the urge to get it out can be overwhelming.

Sometimes there are surgical options, other times not. But eradicating the tumor is not always the job of a surgeon. Up to …read more

Continue reading

Posted in ionizing radiation, medical, Medical hacks, radiation, tungsten, x-ray | Leave a comment