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News: Unencrypted Air Traffic Communications Allow Hackers to Track & Possibly Redirect Flights

Considering how often many of us fly on commercial airlines, the idea that a hacker could somehow interfere with the plane is a very scary thought. It doesn't help to learn that at Defcon, a researcher found that the Automatic Dependent Surveillance Broadcast (ADS-B), transmissions that planes use to communicate with airport towers are both unencrypted and unauthenticated.

News: 5 Android P Features the Galaxy S9 Already Has

Over the past week, we've had a number of important launches take place in the Android community. Samsung is in the middle of their rollout of the Galaxy S9, with preorders in the US shipping this week. Google also rolled out the first Android P developer preview last week. While these may seem unrelated, there are actually a number of Android P features inspired by Samsung software.

How To: Clean your scratched CDs with toothpaste and water

This video is presented by A K Dlnny. The video starts with common location in any household. A K shows a CD which is fairly scratched. Most of us have scratched CDs with us and he teaches us a very simple way of cleaning these CDs. As first step A K takes good portion of common toothpaste on surface of CD and spreads it all over with rubbing it with circular movement of his finger. Once the entire surface is covered then he allows the CD to dry for five minutes. In next step he washes of the...

How To: Make manganese dioxide electrodes

Various electrochemical reactions requires that anodes do not degrade when used. Carbon is cheap, but degrades easily and platinum is extremely expensive. In a previous video, you learned "How to make cobalt and manganese nitrates", and you saw that titanium could be used as a cathode, but not as an anode due to an effect called passivation.

How To: Undo a door's chain lock from outside with string, yarn or shoelaces

One day, you may find yourself in an emergency situation where you need to undo the chain lock of your home's front door, or somebody else's front door. Maybe someone forgot the unlock it when exiting the back door. Maybe you're grandfather is having a heart attack. Maybe your wife is cheating on you. Whatever the reason, it's fairly simple to break in by undoing the chain lock.

How To: Identify and control problems with pine trees

First of all whenever there is low rainfall and higher heat then there are problems.You shall notice that there are brown colored needles which dry up and then drop of. Sometimes they start at the tip and then move towards the branch. This shows drought and you need to soak in lots of water to overcome. However if you notice the brown needles going from the middle to the tip then these are due to natural process. Another problem is the presence of spider mite. Take a white sheet of paper and ...

How To: Bake a simple homemade bread

Make an easy, simple bread that will taste better than store-bought stuff. Ingredients: - 3 cups of flour- 1 tsp of salt- 3/4 tsp of yeast, and 1 1/2 cups of water Steps: 1. Mix together all the dry ingredients. If the yeast you used is bread machine yeast, mix it in normally. If it's normal yeast, which means it's a bit bigger, dissolve it into the water first. 2. Add the water, and mix it together until you can form it into a fairly uniform ball. 3. Cover and let it rise for 3 to 5 hours. O...

How To: Prepare a persimmon for eating

A persimmon is not ready to eat until it has a soft consistency like jelly or pudding, though the fruit can be harvested and brought inside while still hard, so long as the branch the fruit hangs from is picked along with it. One way to be sure that a persimmon is ready to eat, is to press a finger against the skin of the fruit. If a fingerprint is left, the persimmon is ripe and delicious. Once they start getting soft they go bad very quickly, so it's good to prepare them so you can eat them...

How To: Give a good 15 minute massage

Massage has been around for a very long time. It has been proved that massage can help reduce stress, improve circulation, and create a feeling of well being. 54% of doctors recommend massage therapy. 85% of all diseases are believed to be stress related. Giving massages is fun and helps build muscle strength in the legs and arms. First you want to remember fiber direction when giving a massage. Start by warming the muscles up by kneading the tissue rather than using any techniques to really ...

Walkthrough Assassin's Creed 2: Mission 56

And They're Off: Time's crucial in this missions, so be careful. You've got a limited amount of time to complete this fairly challenging obstacle course. A series of waypoint show up one after the other, and you've got to run through all sixteen of them, quickly. The first four are on ground level, so you don't waste time climbing any buildings. The fifth waypoint will start you on an ascent up the side of a building, and from then on you can expect next bunch to require some careful platform...