Thursday, December 22, 2016

The First Dance is always Awkward

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Rabbi Yehuda Lave

Wise Person's Goal

A wise man said, "Most people do not feel bad because they lack wisdom; they feel bad because people say they lack wisdom."

The honor-seeker does not study wisdom to become wiser. Rather, his goal is to show off how wise he is. This is an attribute of a fool (Proverbs 18:2). A truly wise person's goal is to gain more wisdom whether or not he gains honor.

Love Yehuda Lave

The first dance is always awkward.

A student accidentally invents a phone battery that lasts for 400 years

Scientists of the University of California in Irvine have developed a rechargeable battery that might be good for 400 years of power. The invention came about almost entirely by accident. They were actually trying to design better nanowires for use in normal rechargeable batteries.

Nanowires are very good conductors because they have a lot of surface area to hold their electrons. But they are also very fragile and tend to give out after only a few charges.

This is why the team of PhD student Mya Le Thai was researching the properties of nanowires made of gold and embedded in a special electrolyte gel.

In the course of their tests the team made an astonishing discovery: The battery survived 200.000 charge cycles in three months without any loss of performance. According to „Good", this battery could power a normal smartphone or laptop for 400 years.

"That was crazy," said Reginald Penner, leader of the chemistry faculty of the University. "Usually these Batteries decline rapidly after only five or six thousand cycles, seven thousand at the most."

The researchers are still unsure as to why the combination of the gel and the gold wires make a super battery. But because gold is a very expensive material, the scientists want to try out a few alternatives before they start producing a marketable product. 

This is why we do not yet know when we can start using this super durable battery in our smartphones, if at all. But these first tests certainly look promising.


Austrailian Berry kills tumors in 48 hours

See You Tomorrow

Love Yehuda Lave

Rabbi Yehuda Lave

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