Shoes for Lymphedema Patients Take Top Prize at EPICS in IEEE Challenge

Student-designed 3D-printed footwear could help people who suffer from swollen feet

2 min read
Photo of Cami and Nina Tran, who won first place in the 2018 EPICS in IEEE Challenge.
Photo: Daniel Kostelec/Project Fibonacci

THE INSTITUTETwin sisters Cami and Nina Tran [above] won first place in the 2018 EPICS in IEEE Challenge for their proposal to design 3D-printed shoes for people with lymphedema. The high school students received US $6,500 to develop their project, and each was given a $2,000 college scholarship.

Lymphedema is most commonly caused by the removal of or damage to lymph nodes as a part of cancer treatment. It results from a blockage in the lymphatic system, which is part of the immune system. The blockage prevents lymph fluid from draining well, leading to swelling in the arms and feet.

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The State of the Transistor in 3 Charts

In 75 years, it’s become tiny, mighty, ubiquitous, and just plain weird

3 min read
A photo of 3 different transistors.
iStockphoto
LightGreen

The most obvious change in transistor technology in the last 75 years has been just how many we can make. Reducing the size of the device has been a titanic effort and a fantastically successful one, as these charts show. But size isn’t the only feature engineers have been improving.

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