: Use of trailing edges that curve upward to produce a positive pitching moment.
: In the 1940s, the Horten brothers accidentally discovered that their smooth, wood-and-carbon-coated designs were harder for early radar to detect. Practice: The "Yaw" Problem (PDF) Literature Study on Tailless UAV - ResearchGate tailless aircraft in theory and practice pdf
https://ntrs.nasa.gov/api/citations/19850022673/export/pdf : Use of trailing edges that curve upward
The theory suggests that eliminating the fuselage and tail can reduce parasitic drag by up to 40%, theoretically improving range and endurance. Practical Applications tailless aircraft in theory and practice pdf
Yes.