Bec lost her voice and then had to do three shows. Her voice has not recovered yet. Matt explains that he instead goes mute when he's about to lose his voice, thereby still sort of losing it.
Is 2020 the start of the new decade or the end of the previous decade?
Bec retweeted a thing of the decade, someone else replied and was angry, so Bec roped Matt into it. People on both sides yelled at Matt. Matt and Bec discuss twitter and go on to reinvent 90's forums.
There is no year 0, 1 AD immediately follows 1 BC. This is different from birthdays: When you're n years old, you've been out of the womb for n years (and a bit). When it's the year n though, there have only been n-1 years (and a bit). This means that the first 10 years, i.e. the first decade, starts at the beginning of year 1 and ends at the beginning of year 11. However, decade names like "the 20s" count the years starting at 2020.
Matt goes on a tangent of saying "zero" instead of "oh" in phone numbers. In the book 1984, there's room one-hundred-and-one. James Bond is Agent seven, the lead zeroes are unnecessary.
The International Standards Organization (ISO) released ISO 8601 (eight-six-zero-one), the official standard for dates and times. They ruled that 1 BC is year 0 and 1 AD is year 1. This means our decade started in the year 2020. What pedant can argue against that?
A "ting" by Bec
Now that you've eaten too much pizza, what is the optimal sequence for brushing teeth? Upper before lower? Left before right? Insides before outsides? Working in quadrants? Could electric brushes require different sequences to ordinary brushes? Does the amount of viscosity of the toothpaste play a factor?
The sequence doesn't matter as long as you're brushing them equally. Most tooth-related organizations say you should brush in quadrants, for timing: 30 seconds per quadrant, 2 minutes in total. Matt worked this out on his own from his electric toothbrush, which, by the way, are not faster than manual brushing.
Matt worries that always starting in the same quadrant has a negative effect and instead rotates his starting quadrants. Sources online surprisingly don't mention this, though Bec guesses this has no effect.
You only need a pea-sized amount of tooth paste, more doesn't help. Just make sure it contains fluoride. Also, spit but don't rinse, and don't use mouth wash for at least 30 minutes after brushing. You don't want to remove all the fluoride again that you've just put on your teeth.
A few more tips: Brush your tongue too, lots of bacteria on there. Floss before you brush, so you brush away the dislodged detritus. Wait at least 20 minutes after eating before brushing, because acid in the food softens your enamel.
If you want to speed-run brushing, you can try an Amabrush, a brush that looks like a mouth guard and brushes all your teeth at the same time in 10 seconds. Sadly, it's a kickstarter and they seem to have gone bankrupt. Instead, Matt suggests one electric toothbrush per hand, working on diagonally opposite quadrants at the same time.
Addendum by Bec's friend Sophie (a professional dentist): The starting quadrant does not matter, the toothbrush only removes plaque. Brush your gums as well, plaque likes to accumulates between teeth and gums. Tooth paste saturates the saliva with fluoride, calcium, phosphate; the saliva then washes it over the teeth. This process takes time, so spit, don't rinse, wait 30 minutes. One of the manual brush techniques mentioned was called the "bass" technique. If you must use mouthwash, use it before brushing.
A "ting" by Bec
The premise of Bec's show "Out of Order" is that the jokes are on 25 post-its on a board and the audience gets to pick the order. What is the maximum amount of times Bec can do this show before she hits the same order again?
There are 15'511'210'043'330'985'984'000'000 (15.5 septillion) distinct orders: At the beginning, there's 25 options for the first joke, then 24 for the second, and so on, which makes 25*24*...*1 = 25! ("25 factorial") joke orders. If the audience chooses at random, you have to do roughly 500 billion shows before you hit the first repeat order (on average). Matt requests Bec to log the order of each of her 25 or more shows, so they can analyze the results afterwards.
A "ding" by Bec
Did Matt try Bec's solution to soak the clothes in water? No, he drank the water instead. Staying very hydrated seems to have helped though.
A "So you did, you solved the problem" by Matt
Matt recommends electrical tape, to tape over bright LEDs in hotel rooms. Bec recommends using your own slippers from home, it makes the place feel more comfortable and like home. Matt's mother has knitted him socks that look like shoes. He uses them on walking holidays when walking around in hotels, because carrying normal shoes means extra weight.
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