Where is U.S. military aid going (2020)
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This is what caffeine looks like under a microscope.
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Guardbot Security Patrol Robot

This is a product of a company with the same name. The task of the robot is surveillance and patrolling.

It uses a patented drive-mechanism produced by a motorized pendulum that propels the unit by changing its center of gravity. Its round shape makes it easy to move in sand, snow and even water.

Guardbot reaches speeds up to 15 km/h on land and up to 5 km/h on water. The custom battery itself can last 45 hours, depending on the configuration.
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Smart Padlock Smart Lock.

The lock opens using a fingerprint and allows you to add up to 15 profiles. Using Bluetooth, you can easily control locking and unlocking it via smartphone. The lock will last a year on one CR2 battery.

There are other smart locks available, including bolt locks. You can also choose locks not only with fingerprint access, but also smart combination locks.
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A Halloween house doesn't have to look scary to be the best
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What the engine looks like in the section.
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How a professional cuts onions
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Salt+vinegar = artificial snow
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Diaspora of Singapore in the world
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Number of ATMs per 100,000 adults in the world
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Albert Einstein posing for a portrait painting .
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Green-Eyed Gecko
\#nature
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Gold asteroid may be a blob of space debris ☄️

Most asteroids are composed of rocks and ice. But Psyche is claimed by astronomers to be a treasure trove of precious metals, including gold. Its reserves are staggering: the object was estimated to be worth 10 quintillion dollars.

Yet the new theory has disappointed those who have already dreamed of mining in space. The study suggests that the object is just an accumulation of space debris. And a third of its volume is taken up by voids.
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A crashed Friedrichshafen FF.49
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WW1
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Reaction of iodine with aluminum powder
An experiment showing the direct synthesis of aluminum iodide.
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