Month: September 2013

Dr. Silicone (How I Learned to Stop Worrying and Love Siloxane Bonds)

Dr. Silicone (How I Learned to Stop Worrying and Love Siloxane Bonds)

I wanted to make a spatula that would last forever, with FDA approved food grade silicone and a high heat safety rating. (I molded a couple prototypes at home, thinking that if it worked right I’d make a few for friends and family as gifts. The models were cool, but lacked polish.) Once I made the decision to move to a professional manufacturer, more interesting questions arose. How do we optimize flexibility in the blade? What material should we use in the core to give it balance and minimize heat retention? And most of all: how heat resistant can we get it to be?

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peppers ghost

DIY Hacks & How To’s: Pepper’s Ghost Illusion

Pepper’s Ghost is a special effects technique for creating transparent ghostly images. This technique has been a staple of theaters and haunted houses since John Pepper popularized it in the 1800’s. It works by reflecting an image of the ghost off of a sheet of plexiglass. The plexiglass is set at a 45 degree angle in front of the audience. At this angle the background remains clearly visible, but it also reflects a partial image of the ghost that is located off to one side.

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How-To: Trick or Treat Tote

How-To: Trick or Treat Tote

Forget the flimsy plastic pumpkin—take your little ones out in DIY style with this sturdy trick or treat tote!

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Visualize Your Heartbeat With This Homemade Pulse Sensor

Visualize Your Heartbeat With This Homemade Pulse Sensor

Infrared Pulse Sensor is the latest addition to our beginner-friendly series of Weekend Projects. Inspired by a photoresistor pulse sensor, MAKE’s Technical Editor Sean Michael Ragan built this IR-based pulse sensor using emitter and detector diodes, combined with an LM384 op-amp IC and an Arduino.

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Flashback: Tiny Treat Stand

Flashback: Tiny Treat Stand

When I used to live in a tiny home, I wanted a cake stand permanently camped out on the counter to display sweet treats and other bites of goodness.

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