Hot Hobbies & Toys Posts

How To: Use the correct tires for the temperature and improve RC performance

Optimize vehicle performance by knowing the differences between the different tires available for your RC vehicle. Each type of tire (commonly referred to by the red dot, blue dot or green dot) is optimized for a specific operating temperature range. Knowing about the different temperatures and what tires are best suited for them could be the difference between first place and second. Find out more in this instructional video.

News: Polar Bears Play Bloody Game of Soccer With Snowball Spycam

Blizzard Cam, a 40 mph mobile spycam on skis, spies on a group of adorable polar bears (um, minus the blood stained faces) as they devour a pile of remains. Operated remotely, Snowball Cam is released from the Blizzard if scientists detect the bears may attack the device. The decoy can roll across most terrains (even up hill), and easily distracts the bears into a game of soccer. From a BBC TV program on polar bears.

News: Apple Engineer Builds Fully-Functional Ancient Computer With LEGOs

Apple software engineer Andrew Carol built a fully-functional replica of the Antikythera Mechanism, the world's oldest known scientific computer. The 2000-year-old analog device was used by the ancient Greeks to predict the year, date, and time of future solar and lunar eclipses accurately to within two hours. Carol put together the 110 gears (made with 1,500 LEGO Technic parts) in just 30 days. See how it works below. For more information, check out Fast Company's interview with Carol.

How To: Solve the Rubik's Cube intuitively without algorithms

Check out this three-part video tutorial on how to solve the Rubik's Cube intuitively and without algorithms. With this method there is no need to memorize complicated algorithms. Crack the Cube with sheer brain power, if you can. No one said you had to be a genius to solve a Rubiks Cube, you just have to have a little common sense and patience.

HowTo: Make a Jenga Pistol

Not only will this wood-block pistol make you the terror of your next family activity night, it'll actually improve your Jenga game! Through science! For, you see, the faster you can knock a block out of a Jenga tower, the shorter the amount of time over which it can exert a frictional force on its neighbors. Which means the whole kit-and-caboodle is much less likely to come tumbling down. Want one? You'll have to build it yourself. Which is fitting because the word "jenga" actually means som...

Bacarobo 2010: Video Highlights from This Year's "Stupid Robot Cup"

Can a robot be dumber than a toaster? For the answer, look no further than Bacarobo—a yearly contest that showcases and celebrates and the world's dumbest, most adorable robots. Each year, ten robots vie for first prize. Each year, only one bot wins. Who took the title of Top Blockhead in this year's competition? That's something you'll want to see for yourself:

How To: Do the most amazing hairstyle on your American Girl

In this video from stephenswodadancer we learn a new hairstyle for your American Girl doll. You need 4 clips and a brush. Take your thumbs in her hair and wrap a circle in the crown of her head. Brush that part out, twist it around, and poof it up. Take the clips and put it on either side of the poof you've just made. You can leave it like that if you want or continue and take a small piece from the side of her hair and begin braiding it. Bring the braided piece across the back and clip the b...

How To: Do woven pigtails on your American Girl doll

In this video from stephenswodadancer we learn how to do woven pigtails on an American girl doll. Start by parting the hair in the middle down the back and put one to the side in a pony tail and on the other side, take a section from the top and twist it. Then take another small section and twist. It does get harder as it goes on because you're not able to hold on to everything. Make one more piece of hair twisted as well. Now take all 3 pieces and tie them together. Now put the remaining hai...

How To: Do a super cute hairstyle on your American Girl

In this video from stephenswodadancer we learn how to do a hairstyle on the American Girl doll Mia. You need a brush, 2 regular sized bobby pins and 2 rubber bands. Start by brushing her hair back from her head and hold it with your hand. Using your finger nail start at about the corner of her eye and go up on each side. Pick up all that hair in the front. Turn her around and brush it out smooth and put the bobby pins in on each side. You can leave it like that or continue on. Part the back o...

How To: Do a clipped bun on your American Girl doll

In this video from stephenswodadancer we learn how to do a clipped bun on an American Girl doll. Start with your doll's hair in a pony tail. Right at about the crown of her head works. Take the piece of hair from the top and curl it and fold it under. Clip the part that you curled to her head. You can go all the way around until you get to the bottom and keep clipping. Repeat this process all around her head until it is to your liking. This will need lots of clips so make sure you have them!

How To: Do a hair headband on your American Girl doll

In this video, we learn how to do a hair headband on your American Girl doll. Brush the doll's hair out and then take a section from the bottom front of the hair. Twist this up and then do the same thing to the other side in the same spot. After you have twisted both sides, cross them both over to the opposite side of the head. After this, clip the side of the hair where the braid is left at. When finished, you will have a cute hairstyle on your doll! This work on any length of hair and only ...

How To: Do cowgirl pigtails on American Girl doll Nicki

In this video, we learn how to do cowgirl pigtails on American Girl doll Nicki. First, brush the hair out and then make a part down the middle so you have hair on both sides. Then, put one of the pigtails to the side. After this, go to the other side and brush it out again. Make this low and then tie a rubber band around the pig tail. To make it curly, you will take little pieces of the hair and curl them up with your fingers. Repeat this on the other side and then you will be finished with t...

How To: Paint your American Girl dolls' nails

In this video, we learn how to paint your American Girl dolls' nails. First, stand your doll up and then dip a tiny paintbrush into nail polish remover. After this, put some nail polish onto another tiny brush. Then start to paint the toes using the tiny paintbrush. If you make a mistake, just use the other brush to remove the nail polish. Don't put too much polish on the brush, or it will get messy and turn out badly. Repeat this process on the fingernails when you are done with the toes. Fr...

How To: Do a cute braided hairstyle on your American Girl

In this tutorial, we learn how to do a cute braided hairstyle on your American Girl. To start, you will first need to brush out the hair and then part it in the middle. From here, clip the right side of the hair and then clip the other side. Take the rest of the hair and tie it into a ponytail. From here, take the left side and start a braid, then do the same thing on the right side. When you finish, clip the middle hair into a bun and then clip the braided section in the back. This will fini...

How To: Make a fast and easy tennis ball trebuchet

In this tutorial, we learn how to make a fast and easy tennis ball trebuchet. This tool will throw tennis balls easily so you can hit them without having a partner around. This only needs a few pieces of wood and 2x4's along with dumbbells. There isn't a whole lot to this, it's very simple to build. Use two 10 lb dumbbells clamped with a hose clamp onto the top of a 2x4. Use a dowel to go through this, so it will help it rotate. Down at the bottom is the release mechanism and on the sides wil...

How To: Do a hippie hairstyle on your American Girl doll

In this video, we learn how to do a hippie hairstyle on your American Girl doll. To start, you will simply take the side of the hair and braid two braids into it. Pull these across the back of the head and then repeat on the other side of the head in the same exact braid. Next, you will pull these braids all together and then braid these together going all the way down to the bottom of the hair. Tie this off with a rubber band at the bottom. This will finish up your hippy hairstyle, enjoy and...

How To: Style hair on an an American Girl with long wavy hair

In this tutorial, we learn how to style hair on an American Girl w/ long wavy hair. First, brush the hair out and then grab the top left section of the hair. Split this into three and then twist these together. This will be like a French braid, but you will be twisting it as you braid. Continue this until you reach the bottom of the head, then tie it with a rubber band. After this, do the same thing on the other side of the head. Then, tie it with a rubber band in the back and you're done!