Saturday, December 27, 2014


When Leo got skates, he skated around the house. Now he's a great skater. When he got Heely's, he Heely'ed around the house and now he's a great Heely-er. Now he has this:

Thursday, December 25, 2014

Leo's Christmas soldering project

Merry Christmas! Leo soldered this kit together: it's a sound-sensitive guy that "sings" along to the music. Here he is playing his first piano piece too.

Monday, December 22, 2014

3D cookie cutters

Leo and I made Minecraft cookie cutters with the 3D printer. Leo and Paul made Christmas cookies with them!

Thursday, October 30, 2014

Halloween monsters

Leo made these monsters out of string cheese. From the left we have a disembodied finger, a ghastliness, a ghost, a girl dressed up for Hallowwen, and a creeper from Minecraft. 

Wednesday, October 29, 2014

Leo introduces his spots!

If you can't see this, go to

Sunday, October 26, 2014

Maker Faire

Oops, this is embarrassing. I had posted this to the wrong blog. It's too late to send to Vicki and Joylin now, but for those of you who haven't gotten to a Maker Faire:

For Vicki and Joylin who are headed to Maker Faire this week. This is some of what we saw in California. Have a great time!

These cupcakes were motorized and driving around the parking lot. Paul is making three of these right now:

Here's a tesla coil booth. I think this was the kit that was designed by an MIT student:

This showed a movie on a screen of mist. The green lights to the right are another booth that had lit robots dancing to music or motion sensors, can't remember which.

Tons of R2-D2's and many are remote controlled robots

Classic steam punk art car. I'll bet this goes out to Burning Man.

This Octopus car is amazing if you can see it in action. Fire comes out of each leg and the movement is nice. This was made by Paul's friend. It comes to Burning Man.

This is the lifesize Mousetrap. It's a Rube Goldberg machine. The end is a 2000 pound weight that falls on a pickup truck:

and here the weight has fallen:

More art cars

The coke and mentos stage. I think it was some 300 bottles of coke that they sprayed. People in the front got wet.

A Lego pancake printer:

Printed pancakes:

A Lego syrup dispenser:

A 2D printer/plotter. Leo wrote his name on an ipad and it printed like this. They sold these kits. The printing was not very good.

A fancy 2D printer

Lots of people in crazy costumes.

The Whiskeydrome - this is fun to watch. I heard a guy accidentally biked out of it.

Lots of silly stuff is sold here. This was the garden gnome booth:

The one event that we did participate in was the lock-picking class:

You can bring your own remote-controlled drone to battle in this arena:

Crazy bikes and other contraptions

The battleship battle on the battle pond. These remote controlled boats shoot little metal balls at each other and sink each other:

Bicycle power makes the elephant "walk"

The Arc Attack guys in their faraday cage with the Tesla coils

A kid-made hovercraft. Operates with a little blow dryer:

Spotted boy!

Testing the muffin base!

Paul's been working hard on making the muffin!

If you can't see this, go to

Saturday, August 23, 2014

3D printer test

We got a 3D printer, sort of for ourselves and sort of for Leo's birthday (after all, kids are just a fancy excuse to buy what you want for yourself!). It sat in a box while we were in China. I finally devoted time to getting it going this evening. Here it is printing a fan shroud.

The next project was Leo's. He downloaded Sketchup and took a tutorial. I suggested he make something simple, like a box to put stuff in. We were going through plastic filament fast (just like a regular printer, they make their money on the plastic filament. the printers are pretty inexpensive), so I scaled it down when I printed it:

Thursday, August 14, 2014

Wild Basin Backpacking Trip - Moose, Porcinis, and Alpine Lakes

We took our annual backpacking trip to Wild Basin in Rocky Mountain National Park this past week. We booked permits for one night up at N. St. Vrain campsite (3 miles in) and three nights up at Ouzel Lake (2 more miles in) and one night back at N. St. Vrain, just in case we couldn't hike all the way out on the last day. The ranger warned us that recent sightings included a black bear and cub and a moose and baby moose. And a bear had torn apart someone's tent - if the bear did it a second time, the bear would be put down. We started at 8500 feet at the trailhead.

Leo thought his backpack was heavy but he was a real trooper. He had 13-14 pounds and did especially well when discussing Minecraft, his favorite computer game. In fact, if he got tired, the way to get him started again was to propose a modification to Minecraft, like a Star Wars or roller-skating or veggie mod. I had a bit over 30 and Paul had 40 some pounds to carry. Luckily we got new backpacks last year which helps tremendously with all the weight. We spent a lot of time figuring out what food to bring and filled two large bear canisters plus extra food for the trip. We were armed with a fishing pole and a knowledge of porcinis that we thought would supplement the freeze-dried food (which is sort of tasty in a freeze-dried kind of way but gets really tiring on day 2 or 3).

We did get lucky on the porcinis. We found a bunch of large ones, many of which were pre-munched by various chipmunks, squirrels, etc. In fact, we saw two squirrels with very large porcinis in their mouths running off to have a feast. We did fry up a porcini with our 'lasagna' one night. The trick to identifying them is to score the underside and make sure it doesn't turn blue. It was very tasty. Unfortunately, about 6 hours later, I had pains in the my stomach and they were especially bad, stabbing pains all morning. I'm not sure it was food poisoning, as I had some stomach issues the day before as well, but we didn't eat any more.

We made it up to N. St. Vrain without a problem and Paul decided we should try to hike up the steep cliff above the camp to the Twin lakes above. We luckily found some cairns, but the trail was very steep with slippery rubble and the Twin lakes were buggy. Actually the entire Wild Basin is full of mosquitoes. You can't really escape them unless you're on a ridge and it's windy. And there are other biting flies that don't just itch, but hurt. Here's one of the Twin lakes, full of lily pads:

Paul says the the terrain there is "very textured". This is code for giant fallen logs that you need to crawl over and marshy, wet grass that you need to wade through.

The great thing about camping is how much sleep you can possibly get. If you can actually sleep from when it gets dark at 8p to when it gets light at 7a, that's just wonderful. Leo loves my mummy bag - cuddles up in it, pulls the hood over his head, and sleeps well. I think I might sleep if my feet and head weren't hanging over the edges of my 3/4 length thermarest.

The next day we made it up to Ouzel Lake and set up camp.

This moose, with his giant rack, ate grass in the field next to the campsite all day. We had a great time quietly photographing and videoing the moose. Then some kids saw the moose and proceeded to scream to their parents about it nonstop and then decided to try their best moose impressions and see if they could get the moose to charge them, or at least pay attention to them.

We spent the afternoon making our way around Ouzel Lake which consisted of walking on logs back and forth over various streams. I know it doesn't sound that hard, but crossing one major stream took about 5 back and forth log crossings because there were lots of mini streams and the logs didn't line up serially. Leo and I decided this was a lot more fun than scrambling up a steep, slippery cliff to a buggy lake though.

We got back to camp to find a couple had joined our site. We were pretty bummed that the Ranger had messed up the permits and double-booked the site. We basically had to camp in each other's laps. At N. St. Vrain, there were two campsites and we couldn't even see the other campsite from our tent. Luckily our neighbors were the nicest folks, a young newlywed couple from Kansas.

The next morning we went for our long hike. This was day I was sick, so the morning was pretty brutal. But despite the late start we made it up to Bluebird Lake (just shy of 11,000 feet):

The wildflowers were in full bloom:

We saw lots of marmots, including two families:

We had to cross a small ice field. This was a lot easier to go down than up. You just point your feet and slide!

I'm not really sure how we got talked into this, but after Bluebird Lake, we went up to Lark Pond, and then up to Pippet Lake and finally to our "stretch destination" of Isolation Lake. There aren't really trails after you get to Lark Pond. With a map and GPS and a bit of bushwhacking and rock scrambling we made it up. This rock fall was particularly grueling at high altitude and after miles of hiking already. I've circled Leo (in the middle) and me (left side).

I don't have a picture of the intense bushwhacking but at one point Paul had to remove his pack and crawl through the tall vegetation. Later Leo made a mockery of it all, swimming through this shrubbery:

Isolation Lake is at 12,000 feet, right under the Continental Divide:

We had a fun time rock-hopping in this little un-named pond:

We eventually made it back to camp, right before nightfall. We were surprised that our neighbors were gone and then found a note. Apparently an animal had ripped apart their tent and they had to pack out at 5pm that day. Our tent was untouched but the trash bags that protected our backpacks were all torn. Our bear canisters, which were pretty far away, had also been knocked over. I'm not sure what animal did all this, but assume it was pretty big with sharp claws. We were very bummed for the newlyweds having to pack out after one night, having driven here from Kansas. The next day when we went out on our hike, we took nearly everything out of the tent, trying to hedge our bets.

The next day we went up to Bluebird Lake again, and tried our hand at fishing. We had already tried at Ouzel Lake, where the shallow waters revealed many small trout. But at Ouzel, we really needed waders to get to the deeper part of the Lake. Bluebird was deep along the shore. Leo got really good at casting:

But alas, no fish! I'm not even sure fish make it up to this lake!

We ate lunch and then realized we had burnt through our stove fuel. It was 2pm and we were 2 miles above our campsite which was 5 miles from the car. We considered eating cold, wet, freeze-dried food. Then we came to our senses and hiked back to the camp, packed up and made it back to the car by 7pm-ish. A big, hot dinner of meat plus some beer in Lyons helped end the trip well.

We decided that we liked the Hutcheson Lakes from last year's trip a little better. They had lots of fish. Pear Lake is big and less marshy than Ouzel. Isolation is higher than Cony but getting to Cony is quite the adventure - crossing large streams on small rocks, lots of ice fields. The hike to Bluebird is gorgeous though. We'll definitely be somewhere up there again in a year's time!