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Although a serious mistake, it was not at the same level of the error difference between metric/imperial. The Hubble telescope optical image plane was correctable with an intermediary correcting lens. The trick was defining the precise prescription of the lens from studying the image plane point...

Let's not forget a $125M+ math mistake Metric or English. Not just the dollar value of the craft, but science information that was lost and not made up for for many years if ever. Which system are we using anyway? When NASA Lost a Spacecraft Due to an engineering Metric Math Mistake In...

In NY, no, the ursack since it is not solid and non-pliable material does not meet the requirements where a bear resistant canister is mandatory: Only canisters successfully tested by the IGBC pass the certification test. IGBC Certification: Products that successfully withstand the bear...

i have heard that some people, after they had just purchased a new car, will intentionally key the side of their own car, so they later won't worry about eventual dings and scratches. True or not, I do not know. I am definitely not among that camp. I like to keep my equipment in good shape from...

When I flew an AF cargo plane into the Philippines with military passengers, we were required to stop on the tarmac and keep the doors closed (in 100F temp) until local inspectors could visit us with scent dogs. The pilot frantically tried to capture a moth fluttering inside the window before...

If I knew or suspected I was going to be traveling in such waters, then I would bring a dedicated sacrificial old paddle just for that purpose. Or maybe a stick would serve the purpose just as well. I like to keep my paddles, and my canoes, as pristine as possible. With some 30 years of...

How do your paddles get "ragged edges"? Whitewater with lots of rocks? One of my major rules not be violated when teaching newbies about how to care for their equipment, is the paddle blade never touches earth (rocks, dirt, or sand). Not while out of water and not on the bottom when in water...

Chip, don't forget that there is a significant current to add to a racer's paddle speed, especially in the first segment after the lake, and after re-entry behind dams. From what you said you for sure would not like to do the Cannonball-90, the entire original traditional 90 mile Adirondack...

Which is as I rember the river during the race at the end of May. A few years ago for me also, the river entrance from the lake can be brisk, and lower down there can be a shortcut or two around grassy islands offered in high water, but the main channel is generally good going and a safer route...

I like to do the paddle across the gunwale method. Iif possible, as the blade shaft is gently held across the gunwales with both hands and the blade gently presses with slight force on a low dock or the land itself as I lean that way and easily step in one foot at a time. My other favored...

I bought a 2024 Wilderness Forester in Dec 23. I was surprised it did not have crossbars like my previous Subarus always had since 2004. But while my 2016 Forester Limited was still in the dealer's parking lot, I quickly removed the old crossbars. The fit was not perfect, but I could make it...

From the current edition of spaceweather.com: MOTHS FOLLOW THE MILKY WAY: Astronomers come in all shapes and sizes--even invertebrates. A new study published in Nature reveals that Australian moths can see and decipher the night sky. They pay particular attention to the Milky Way and seem...

Here's one batch of 4 full pans of my bannock cooking at a BSA trek adult leader guide training graduation for about 30 staff and students, including previous program grad guests. Graduation breakfast consists of voyageur theme bannock, maple syrup and jam, corn meal mush, fresh fruit, baked...

A local strip builder I know likes to use mixture of red/white cedar and a few strips of white pine for contrasting colors. A Yukon race team partner of mine raced the Water Safary in a black carbon canoe last year in temps of 100F+. Very brutal.

I'll take winter snow and blizzard conditions any day instead of constant sweltering heat, with the threat of hurricanes and tornadoes. Historically unusual for here, is today’s now 82F temp going to 86 and humidity to match. When I grew up in the same area, average summer days peaked in the...

Everyone taking turns sounds too much like a Boy Scout trek wherin everyone has their turn at being "leader of the day" or "cook of the day", or "cleanup of the day". it's a leadership development requirement thing.

During the Yukon River 1000 mile canoe races I have paddled, I was in a 7 seat voyageur canoe. For the first ever such race, official rules required 20 kg (44 pounds!) of food per paddler be carried onboard from race start. Do the math. We are not allowed to include the weight of water to make...

When I guided wilderness trek trips for BSA, of course by definition it is group meals. Same when I was instructor of trek leader guides in group training to do the same. Some of the standard meals were better, some much worse, depending on who was "lleader of the day" and their designated...

I flew into CFB North Bay to partiipate with my aircraft in their air show static desplay and flyover, around 1981 as I recall, for the retirement ceremony of the Canadian produced CF-100 aircraft. Then just a few years ago I made a special detour with my canoe to pass through on my way to...

I’m also 6' and use a 50' or 51" bent GRB carbon, sometimes even a 49", choice depends on the particular boat and seat height. In a large Yukon River voyageur, I may use a 52". As primary bow paddler, my normal constant comfortable race cruise cadence for the team is about 60-65 spm power...